As a certified holistic nutritionist and longtime athlete who relies on protein powders almost daily, I understand the importance of finding the perfect low-carb protein powder to support your health and fitness goals. That’s why we’ve tested and reviewed dozens of the best protein powders to bring you the top 10 low carb protein powders on the market.
Our evaluation process covered various factors such as ingredient quality, nutritional content, taste, mixability, and overall value, ensuring only the best options made our final list. We narrowed down our selection by leveraging our expertise and real-world experience. Whether you’re looking to support muscle growth, manage your weight, or simply find a tasty, high-quality protein supplement, our top picks offer something for everyone. Read on to discover the best low carb protein powder that suits your needs.
Editor’s choice: Transparent Labs Whey Protein Isolate
Our editor’s choice is Transparent Labs Whey Protein Isolate because of the formula’s high-quality grass-fed whey, impressive 28 grams of protein per serving, and low carb content. Additionally, it’s third-party tested for purity, sweetened with stevia, and contains no artificial ingredients. Read on for full details and our thorough testing notes to see why this product tops our list.
Medical disclaimer: This article is intended for educational and informational purposes only. It is not intended as a substitute for medical advice. For health advice, contact a licensed healthcare provider.
Our picks for the best low carb protein powder
- Best high protein: Transparent Labs Whey Protein Isolate
- Best tasting: Sports Research Whey Protein
- Best whey: Legion Athletics Whey+
- Best grass-fed: Onnit Whey Protein
- Best pea: Nutricost Organic Pea Protein Isolate
- Best low sugar: Gainful Whey Based Build Muscle Protein
- Best budget: Jacked Factory Authentic ISO
- Best vanilla: Ritual Essential Daily Shake 18+
- Best vegan and plant based: Promix Nutrition Unflavored Vegan Protein Powder
- Best for weight loss: Dymatize ISO100 Vanilla
Compare low carb protein powders
|
|
|
|
|
|
|
|
|
|
|
| Transparent Labs Whey Protein Isolate | Sports Research Whey Protein | Legion Athletics Whey+ | Onnit Whey Protein | Nutricost Organic Pea Protein Isolate | Gainful Whey Based Build Muscle Protein | Jacked Factory Authentic ISO | Ritual Essential Daily Shake 18+ | Promix Nutrition Unflavored Vegan Protein Powder | Dymatize ISO100 Vanilla | |
| Rating | ||||||||||
| Cost per serving | $2.00 | $1.46-$1.52 | $2.00 | $2.00 | $0.97 | $3.21 | $1.33 | $2.93 | $1.16 | $1.67 |
| Servings per container | 30 | 25-26 | 30 | 30 | 34 | 14 | 30 | 15 | 38 | 20 |
| Protein type | Whey protein isolate | Whey protein isolate | Whey protein isolate | Whey protein isolate | Organic pea protein isolate | Whey protein concentrate, whey protein isolate, micellar casein | Whey protein isolate | Organic pea protein | Organic pea protein isolate | Hydrolyzed whey protein isolate, whey protein isolate |
| Flavor options | 11 + unflavored | 2 | 15 + unflavored | 2 | 1 + unflavored | 8 + unflavored | 8 + unflavored | 1 | Unflavored | 12 |
Best low carb high protein powder: Transparent Labs Whey Protein Isolate
Key product features
What you should know
Transparent Labs Whey Protein Isolate stands out for its clean ingredient profile, using grass-fed whey and stevia for sweetness. It’s third-party tested for purity, ensuring you get a high-quality product free from harmful additives.
- One of our product testers said this is one of the best protein powders he’s ever had. While it left him feeling full, he didn’t experience any bloating or digestive issues.
- At $60 per container, this protein powder is just shy of $2 per serving. While this is on the higher end for protein powders, we think the cost is justified.
- With 28 grams of protein per serving, Transparent Labs Whey Protein Isolate is ideal for muscle growth and recovery.
Why we like Transparent Labs Whey Protein Isolate as best high protein
Transparent Labs Whey Protein Isolate is our top choice for the best low carb high protein powder due to its impressive combination of quality, flavor variety, and transparency. The protein source is grass-fed whey protein isolate, ensuring an effective and clean protein powder without unnecessary additives.
Each serving of Transparent Labs Whey Protein Isolate provides a substantial 28 grams of protein, making it an excellent choice for supporting muscle growth and recovery. ( 1 )
It also contains 0-3 grams of carbohydrates and 120-150 calories per serving, making it a relatively low-calorie option given its high protein content.
Available in unflavored and 11 additional flavors, this protein powder caters to diverse taste preferences. Whether you prefer the simplicity of an unflavored protein powder option or the indulgence of flavors like chocolate peanut butter or French vanilla, there is something for everyone.
One of our product testers tried the mint chocolate chip flavor and said it tasted like peppermint hot chocolate, though not as minty as he would have preferred. Another product tester noted that, while the protein powder was a bit chalky and didn’t dissolve well when mixed with the recommended 6 to 8 ounces of liquid, it was still one of the best protein powders he’d ever had.
Transparency and quality control are key considerations when choosing a protein powder, and Transparent Labs excels in both areas. The product is third-party tested and Informed Choice certified, providing assurance that it meets stringent quality standards and is free from harmful contaminants. It is also Informed Protein certified, meaning it’s guaranteed to contain the amount of protein advertised. This commitment to transparency extends to the label, giving consumers confidence in what they’re putting into their bodies.
Additionally, the powder is sweetened with stevia, a natural, zero-calorie sweetener, which is an advantage for those looking to avoid artificial sweeteners.
With 30 servings per container, it offers a month’s supply for most users, making it a convenient choice for regular supplementation. At $60.00 per container, this protein powder comes in at just shy of $2.00 per serving. While this is on the higher end for protein powders, we think the cost is justified by the quality of ingredients, third-party testing, and the company’s commitment to label transparency.
What customers are saying
While there are under 500 reviews for Transparent Labs Whey Protein Isolate on Amazon, they are mostly positive. Customers like the quality, ingredients, and performance of this protein powder.
“Mixes easily in shaker. I ordered peanut butter chocolate, and it’s delicious. Most important to me is it doesn’t make me feel bloated. Great product.”
Username “Montex,” Amazon
An unnamed Amazon customer left a review about the oatmeal chocolate chip cookie flavor and said it’s the best-tasting protein powder they’ve ever had: “The flavor is also unique (not just chocolate or vanilla) without getting old and annoying.”
However, opinions are mixed on the price and value of this product.
“The taste was quite unpleasant because of the off-putting (milk chocolate) flavor. Second, the powder did not mix well at all. The price is simply too high for what you get,” wrote a verified Amazon buyer named Santiago.
Specs
| Cost per serving | $2.00 |
| Servings per container | 30 |
| Protein type | 100% grass-fed whey protein isolate |
| Protein per serving | 28 g |
| Calories per serving | 120-150 |
| Carbohydrates per serving | 0-3 g |
| Flavors | Milk chocolate, French vanilla, chocolate peanut butter, dark chocolate, strawberry milkshake, cinnamon French toast, mocha, vanilla peanut butter, mint chocolate chip, blueberry pancakes, vanilla oatmeal chocolate chip cookie, unflavored |
| Certifications | Informed Choice, Informed Protein, Labdoor |
Best tasting low carb protein powder: Sports Research Whey Protein
Key product features
What you should know
Sports Research Whey Protein features a low-carb, low-sugar formulation enriched with MCT powder and vitamin D, offering additional health benefits. It is gluten-free and non-GMO, catering to a range of dietary preferences.
- Sports Research Whey Protein contains 25 grams of protein and 3850 mg of leucine per serving, which is important for muscle protein synthesis.
- Priced at $1.46 to $1.52 per serving, depending on the flavor you choose, this protein powder is slightly above the average market price.
- Because Sports Research Whey Protein is third-party tested through Informed Sport, it’s a safe supplement for athletes to use.
Why we like Sports Research Whey Protein as best tasting
Sports Research Whey Protein Isolate is a standout product in the protein powder market due to its comprehensive nutritional profile and quality assurances. Each container provides 25 to 26 servings, with each serving delivering 25 grams of whey protein isolate, making it an excellent choice for muscle growth and recovery. ( 1 )
One of the key features of Sports Research Whey Protein Isolate is its macronutrient profile. Each serving contains 140-150 calories, depending on the flavor, with 2-4 grams of carbohydrates, less than 1 gram of total sugar, and no added sugar. This low-carb, low-sugar protein powder is ideal for those following a low-carb diet or anyone looking to reduce sugar intake.
Additionally, the protein powder is spiked with an extra 1,000 milligrams of leucine (3850 mg total), an essential amino acid known for its role in muscle protein synthesis, further enhancing its muscle-building potential. ( 8 ) Although only 3 grams are needed for the ideal protein synthesis benefits, the additional amount wont hurt.
This protein powder is gluten-free and non-GMO tested, catering to those with specific dietary restrictions. It also contains 3 grams of MCT (medium-chain triglyceride) powder and 100% of the daily value for vitamin D, adding additional health benefits. MCTs are known for their quick absorption and energy-boosting properties, while vitamin D supports bone health and immune function. ( 9 , 10 , 11 )
Sports Research Whey Protein Isolate stands out for its commitment to quality and transparency. The product is third-party tested through Informed Sport, ensuring it meets high standards for purity and safety. Additionally, it provides a detailed amino acid profile, giving consumers confidence in its nutritional integrity.
However, it does contain sucralose, an artificial sweetener, which might be a consideration for those looking to avoid such ingredients. The product is available in dutch chocolate and creamy vanilla flavors.
Our product testers both enjoyed the flavors of this protein powder. One tester, who tried the creamy vanilla flavor, rated it a 4 out of 5 for flavor. She noted that the vanilla wasn’t overpowering or artificial tasting. Another product tester tried both flavors and rated the dutch chocolate option a 5 out of 5, saying it reminded him of instant hot chocolate mix.
Priced at $1.46-$1.52 per serving, we think Sports Research Whey Protein Isolate offers great value for its quality. The product is available for a one-time purchase or via a subscription option that saves you 15%.
Specs
| Cost per serving | $1.46-$1.52 |
| Servings per container | 25-26 |
| Protein type | Whey protein isolate |
| Protein per serving | 25 g |
| Calories per serving | 140-150 |
| Carbohydrates per serving | 2-4 g |
| Flavors | Dutch chocolate, creamy vanilla |
| Certifications | Informed Sport, c-GMP compliant |
Best low carb whey protein powder: Legion Athletics Whey+
Key product features
What you should know
Legion Whey+ offers a clean, naturally sweetened protein powder with excellent mixability in a wide variety of flavors. Each serving contains 21 to 23 grams of protein and less than 1 gram of sugar.
- Taste-wise, one of our product testers gave the Dutch chocolate flavor a 5 out of 5 and the cinnamon cereal a 4.5 out of 5.
- At just under $2.00 per serving, Legion Whey+ is priced higher than average for a protein powder.
- Legion Athletics Whey+ is ideal for health-conscious individuals and gym goers who prioritize high-quality, grass-fed whey protein powder.
Why we like Legion Athletics Whey+ as best whey
With its commitment to purity and quality, Legion Athletics Whey+ is our top choice for the best whey protein powder. The protein source is grass-fed whey protein isolate from Truly Grass Fed farms in Ireland, which not only provides a high-quality protein but also ensures better animal welfare and no artificial growth hormones.
With 21-23 grams of protein per serving and just 2-6 grams of carbs, depending on the flavor you select, this protein powder is perfect for those following a low-carb diet without compromising on protein intake. Each serving contains 100 to 130 calories, making it a low-calorie option that still delivers substantial protein content, ideal for muscle recovery and growth. ( 2 )
Sweetened with stevia, Legion Whey+ avoids refined sugars and artificial sweeteners, making it a healthier choice for those looking to reduce their sugar intake. The natural sweetening and diverse flavor options—including Dutch chocolate, French vanilla, cinnamon cereal, chocolate peanut butter, and many more—cater to a wide range of taste preferences, ensuring that users can enjoy their protein shakes without compromising on flavor.
The popular fruity cereal flavor contains the least amount of protein of all the flavors (21 grams) and the most calories (130), so be mindful of the nutrition label when selecting flavors.
One of our product testers tried both the Dutch chocolate and cinnamon cereal flavors. He gave them a score of 5 out of 5 and 4.5 out of 5 on taste, respectively. He said the Dutch chocolate tastes similar to Ovaltine, while the cinnamon cereal has that nostalgic Cinnamon Toast Crunch flavor.
This product is Non-GMO Project Verified and lab-tested by Labdoor for purity, giving consumers confidence in its safety and quality. Additionally, it’s made in an NSF-certified, FDA-inspected, and cGMP-compliant facility, adhering to strict manufacturing standards.
Each container of Legion Whey+ offers 30 servings, priced at $59.99 for a one-time purchase, translating to just under $2.00 per serving. We think this price is justified by the high-quality ingredients and rigorous testing that guarantee a premium product. For those looking to save, Legion Athletics offers a subscribe and save option, reducing the cost by 10%.
What customers are saying
Legion Athletics Whey+ has garnered over 5,000 global ratings on Amazon due to its taste, texture, high-quality ingredients, and mixability.
“For the past couple of years, I’ve been trying different proteins, and I have to say that this is one of the best I’ve tried. This protein doesn’t cause me inflammation, gas, or reflux like many other ones in the market. Not to mention that the (chocolate) flavor is fantastic.”
Jaime De Leon, Amazon
An Amazon customer named Becca had this to say about the birthday cake flavor: “This is so delicious!! I’ve tried a lot of protein powders and this surpasses them all for flavor.”
However, not everyone is a fan of the taste.
“I see why people might say it’s too sweet because in my opinion it just taste like bad sweetener and nothing like the flavor I ordered which was cocoa cereal,” wrote Amazon customer Jan S.
Specs
| Cost per serving | $2.00 |
| Servings per container | 30 |
| Protein type | Grass-fed whey protein isolate |
| Protein per serving | 21-23 g |
| Calories per serving | 100-130 |
| Carbohydrates per serving | 2-6 g |
| Flavors | Dutch chocolate, French vanilla, cinnamon cereal, chocolate peanut butter, salted caramel, cookies & cream, birthday cake, banana bread, strawberry banana, cocoa cereal, unflavored, mocha cappuccino, fruity cereal, apple pie, honey cereal, chocolate hazelnut |
| Certifications | Labdoor |
Best grass-fed low carb protein powder: Onnit Whey Protein
Key product features
What you should know
Onnit Whey Protein offers a grass-fed whey protein isolate enriched with digestive enzymes and probiotics to help promote both optimal digestion and muscle recovery.
- Our product tester noted that the Mexican chocolate flavor, while good, tastes different than your typical chocolate flavor, which she wasn’t expecting.
- Each serving costs just under $2.00, which is higher than average for a whey protein powder but in line with other premium protein supplements.
- Onnit Whey Protein is best for those seeking a low-carb, grass-fed whey protein that also supports gut health.
Why we like Onnit Whey Protein as best grass-fed
The protein in Onnit Whey Protein is derived from non-GMO whey protein isolate sourced from Irish dairy cows, ensuring a high-quality and ethically produced product. These cows are Animal Welfare Approved, reflecting a commitment to humane farming practices. Each container offers 30 servings, with each serving providing 20 grams of protein, making it an efficient source of protein for muscle recovery and growth. ( 1 )
One of the standout features of Onnit Whey Protein is its low carbohydrate content, with each serving containing just 3-4 grams of carbs and between 110-120 calories. This makes it an ideal option for those following a low-carb diet who still want to meet their protein needs without excessive calorie intake.
Sweetened with stevia and monk fruit, it avoids refined sugars and artificial sweeteners, making it a healthier choice for those mindful of their sugar intake.
Onnit Whey Protein only comes in two flavors—vanilla and Mexican chocolate. One of our product testers enjoyed the Mexican chocolate flavor but was surprised by how different it tasted compared to other chocolate protein powders. When mixing it with water, she found the consistency very thin. She recommends mixing it with whole or oat milk for a richer texture.
An additional potential benefit of Onnit Whey Protein is its inclusion of a digestive enzyme blend, which includes protease, amylase, lipase, cellulase, lactase, bromelain, and papain. These enzymes help break down proteins, fats, carbohydrates, and lactose, which may enhance nutrient absorption and reduce potential digestive discomfort such as bloating and gas. ( 3 ) Moreover, the inclusion of Lactobacillus acidophilus is beneficial probiotic for gut health . ( 4 ) The one downside is that the exact amount of each of these ingredients is not provided, so there’s no way to tell how effective these ingredients may be.
At approximately $2.00 per serving, Onnit Whey Protein sits at the higher end of the price spectrum. While the cost may seem steep, the price may be justified by the high-quality, grass-fed protein source, the ethical production practices, and the potential health benefits of the added digestive enzymes and probiotic. The option to subscribe and save 25% further adds to its value, making it a more affordable option for regular use.
What customers are saying
On Amazon, customers regularly leave positive reviews about the taste, solubility, and high-quality ingredients in Onnit Whey Protein. However, the price is a sticking point for some.
“Great flavor, great ingredients, well-respected company. This is an all-around win if you don’t mind the price.”
AC, Amazon
An Amazon customer with the username Big C wrote, “I have used this for several weeks. Digestive system seems to process this just fine. The taste is different. It has a spice and chocolate taste. It isn’t awful, just different.”
Specs
| Cost per serving | $2.00 |
| Servings per container | 30 |
| Protein type | Grass-fed whey protein isolate |
| Protein per serving | 20 g |
| Calories per serving | 110-120 |
| Carbohydrates per serving | 3-4 g |
| Flavors | Mexican chocolate, vanilla |
| Certifications | None |
Best low carb pea protein powder: Nutricost Organic Pea Protein Isolate
Key product features
What you should know
Nutricost Pea Protein Isolate is not only a great high-protein, low-carb option, but it also provides 35% of the daily value for iron in one serving.
- Pea protein is technically considered an incomplete protein because while it does contain all the essential amino acids, it is low in methionine. However, if you eat a balanced diet, this likely isn’t an issue.
- At $0.97 per serving, Nutricost is about the average market price for a pea protein isolate.
- Pea protein serves as a good alternative to whey protein, especially for individuals who are lactose intolerant, vegan, or seeking to avoid animal-derived products.
Why we like Nutricost Organic Pea Protein Isolate as best pea
Nutricost Organic Pea Protein Isolate is an excellent alternative to whey protein, particularly for those who are lactose intolerant, vegan, or looking to avoid animal products. This pea protein powder is certified USDA organic, ensuring that it is free from pesticides and synthetic additives, making it a clean and healthy choice. Additionally, it is non-GMO and gluten-free, catering to those with dietary restrictions.
Each serving of Nutricost Organic Pea Protein Isolate provides 20 grams of protein, 1-2 grams of carbs, 35% of the daily value for iron, and only 100 calories, making it a superb option for those following a low-carb diet. This protein powder is available in vanilla or unflavored, allowing users to choose between a subtle flavor or the flexibility of adding it to various recipes without altering the taste.
Pea protein is derived from yellow split peas and is naturally vegan and hypoallergenic, making it suitable for a broader range of dietary needs. While whey protein is often praised for its quick absorption and superior amino acid profile, pea protein also offers a complete amino acid profile and is easier to digest for those with dairy sensitivities. Plus, studies have found that pea protein is just as beneficial for muscle growth and recovery as whey protein in response to resistance training. ( 5 )
Pea protein is low in the amino acid methionine, which is very beneficial for muscle growth and immune function, so it shouldn’t be relied on as your only source of protein. However, this isn’t a huge concern if you eat a balanced diet with a variety of plant-based protein sources.
This low-carb protein powder is third-party tested and made in a GMP-compliant facility, ensuring high quality and safety standards.
At $32.95 for a one-time purchase, Nutricost Organic Pea Protein Isolate is an affordable option, costing just $0.97 per serving. There is also a subscribe and save option that provides a 20% discount. Additionally, the product comes with a 60-day money-back guarantee, giving consumers peace of mind and confidence in their purchase.
What customers are saying
On Amazon, customers regularly leave positive comments about the price, value, and ingredient quality of Nutricost Organic Pea Protein Isolate.
“The consistency is not super thick or ‘chalky’ when added to smoothies. I’ve also used this to make a protein granola and it has worked so well.”
M. Pidge, Amazon
However, many comments about the taste, texture, and mixability are negative.
For example, an Amazon customer with the username MonCi says it seems like a good product, but they just can’t get past the taste. “This is hard to swallow. You’d have to disguise it with tons of things, because it’s honestly disgusting. Trying to mask the flavor with peanut powder and chocolate powder so far does very little.”
Specs
| Cost per serving | $0.97 |
| Servings per container | 34 |
| Protein type | Pea protein isolate |
| Protein per serving | 20 g |
| Calories per serving | 100 |
| Carbohydrates per serving | 1-2 g |
| Flavors | Vanilla, unflavored |
| Certifications | Made in a GMP-compliant facility |
Best low carb low sugar protein powder: Gainful Whey Based Build Muscle Protein
Key product features
What you should know
This protein powder is a blend of whey protein concentrate, whey protein isolate, and micellar casein. Each serving provides 24 grams of protein and less than 1 gram of total sugar in just 110 calories.
- Gainful offers a fully customizable protein powder, from the type of protein used, to the amount of protein included, and flavor-enhancing boosters. For the purpose of this review, we chose the whey base and muscle building goal customizations.
- Gainful Whey Based Build Muscle Protein is much higher than the average market price at $3.21 per serving for a 14-day package.
- This protein powder is best for individuals looking for a customizable protein supplement tailored to their specific dietary needs and fitness goals, particularly those focused on muscle building with a low-carb, low-sugar profile.
Why we like Gainful Whey Based Build Muscle Protein as best low sugar
Gainful Whey Based Build Muscle Protein is our top choice for the best low carb, low sugar protein powder due to its tailored nutritional profile designed specifically for muscle building.
Each serving provides 24 grams of protein with only 1 gram of carbohydrate, less than 1 gram of total sugar, and no added sugar, making it ideal for those seeking to minimize their carb and sugar intake while maximizing protein consumption. At 110 calories per serving, it’s a lean option that supports muscle growth and recovery without unnecessary caloric intake. ( 1 )
This protein powder is a blend of whey protein concentrate, whey protein isolate, and micellar casein, although the exact proportions are not specified. A blend like this offers both rapid absorption from the whey and slower absorption through the casein, helping with quick muscle recovery and long-lasting amino acid delivery for muscle maintenance and growth. ( 6 , 7 ) This combination also provides a comprehensive amino acid profile, enhancing overall muscle repair and development. ( 2 ) For those who exercise at night and want quick absorption right after but a slower sustained release throughout the night, this could be beneficial.
It comes flavorless, but Gainful offers flavor boosts with every order so you can change up the taste whenever you want. Each flavor boost pack comes with seven single serve packets. These boosts include options like sea salt caramel, rich chocolate, cinnamon toast, cookies & cream, chocolate peanut butter, strawberry cream, and Madagascar vanilla. Each flavor boost is sweetened with stevia and monk fruit and adds 5-10 calories and 1-2 grams of carbohydrates per stick.
Gainful’s website provides customization options, allowing you to select the right protein formulation based on your specific needs. However, you must be mindful while ordering to ensure you choose the correct selections for your goals.
Although there is no mention of third-party testing, Gainful protein powders contain no artificial flavors, dyes, sweeteners, or preservatives, making them a cleaner choice for health-conscious individuals. Gainful does offer a 30-day money-back guarantee for added peace of mind.
A 14-day supply costs $3.21 per serving, which is much higher than the average protein powder and higher than many premium protein powders on the market. If you order a 2-pack (28 servings), the cost goes down to $2.32 per serving. While this is a more cost-effective option, it’s still higher than the market average.
When you order through Gainful, you are automatically signed up for a subscription, which might deter some people. However, the subscription can be delayed, skipped, or canceled anytime and includes 1-on-1 access to registered dietitians for personalized advice.
Specs
| Cost per serving | $3.21 |
| Servings per container | 14 |
| Protein type | Whey protein concentrate, whey protein isolate, and micellar casein |
| Protein per serving | 24 g |
| Calories per serving | 110 |
| Carbohydrates per serving | 1 g |
| Flavors | Sea salt caramel, rich chocolate, cinnamon toast, cookies & cream, caffe mocha, chocolate peanut butter, strawberry cream, Madagascar vanilla, unflavored |
| Certifications | None |
Best budget low carb protein powder: Jacked Factory Authentic ISO
Key product features
What you should know
Jacked Factory Authentic ISO delivers 25 grams of high-quality protein per serving, in a range of eight delicious flavors.
- One of our product testers mixed the vanilla flavor protein powder with milk and ice and said it tasted like a vanilla milkshake without being overly sweet.
- At $1.33 per serving, Jacked Factory Authentic ISO is priced slightly below average for a whey protein isolate.
- Jacked Factory Authentic ISO is best for individuals seeking a budget-friendly low-carb protein powder that combines affordability with excellent nutritional value and flavor variety.
Why we like Jacked Factory Authentic ISO as best budget
Jacked Factory Authentic ISO maintains a reputation for quality, offering a budget-friendly option without compromising on the essential aspects of a good protein powder. Each container includes 30 servings, priced at approximately $1.33 per serving, making it an economical choice for regular supplementation. Additionally, there is a subscribe and save option that provides a 15% discount, further enhancing its affordability.
With each serving delivering 25 grams of grass-fed whey protein isolate, Jacked Factory Authentic ISO supports muscle growth and recovery efficiently. ( 2 ) The protein content, combined with a low carbohydrate count of 0–4 grams per serving, depending on the flavor, makes it ideal for those following a low-carb diet.
The product is available in eight flavors plus an unflavored option, catering to a wide range of taste preferences. Flavors such as chocolate peanut butter, milk chocolate, cookies & cream, blueberry muffin, cinnamon French toast, vanilla oatmeal cookie, vanilla, and peanut butter ensure there is something for everyone.
Each serving ranges from 110-130 calories, depending on the flavor, making it a low-calorie yet protein-dense supplement. The powder is sweetened with both stevia and sucralose and contains a mix of natural and artificial flavors, which may be a deal breaker for some.
Our expert product testers tried the vanilla flavor. One tried this with water and said it mixed well and was enjoyable to drink. The other mixed it with milk and ice and said it tasted like a vanilla milkshake. Both of our product testers noted the consistency was smooth.
However, we would prefer to see third-party testing on a protein powder supplement.
What customers are saying
On Amazon, Jacked Factory Authentic ISO has received over 1,000 global ratings, most of which are positive. Customers regularly comment on the taste, texture, quality, and performance of this protein powder.
Amazon customer Nick G, who bought the peanut butter flavor, wrote, “Taste is very good (almost like a peanut-butter caramel). Easily absorbed/digested. Mixes well. Good/fair price.” However, he did add that the flavor was just a little bit too sweet because of the sucralose.
“I love the flavor but obviously this is personal preference as some reviewers do not like it. It is a bit on the sweeter side.”
Theodore M., Amazon
Some users report gastrointestinal issues after taking this protein powder.
“The product mixes fine, tastes great, and was priced right. However, ever since I started using it, I have experienced major gas and bloating symptoms,” wrote verified Amazon buyer Craig Mankiewicz.
Specs
| Cost per serving | $1.33 |
| Servings per container | 30 |
| Protein type | Grass-fed whey protein isolate |
| Protein per serving | 25 g |
| Calories per serving | 110-130 |
| Carbohydrates per serving | 0-4 g |
| Flavors | Chocolate peanut butter, milk chocolate, cookies & cream, blueberry muffin, cinnamon French toast, vanilla oatmeal cookie, vanilla, peanut butter, unflavored |
| Certifications | None |
Best low carb vanilla protein powder: Ritual Essential Daily Shake 18+
Key product features
What you should know
Ritual Essential Daily Shake 18+ is a low-carb vanilla protein powder that uses clean, sustainably sourced ingredients and includes MCT oil for added energy benefits. It is non-GMO, gluten-free, and free of major allergens, making it a versatile and healthy choice for daily nutrition.
- Ritual Essential Daily Shake 18+ includes added methionine to create a complete amino acid profile for the pea protein powder.
- At $2.93 per serving, this is higher than average for a pea protein powder. However, with the high quality ingredients and complete amino acid profile, we think it may be worth it.
- With third-party testing certifications through Informed Protein and Informed Sport, this is a great protein powder for plant-based athletes and those serious about their fitness goals.
Why we like Ritual Essential Daily Shake 18+ as best vanilla
Ritual Essential Daily Shake 18+ is our top choice for the best vanilla low carb protein powder, offering a blend of high-quality ingredients and rigorous testing that we think justifies its premium price.
Each serving provides 20 grams of pea protein, a plant-based protein source that is typically low in the essential amino acid methionine. To address this, Ritual has added an extra 400 milligrams of methionine to complete the amino acid profile, ensuring you get enough of all the essential amino acids needed for muscle growth and recovery. ( 12 )
Each serving also contains 115 calories and 3 grams of carbohydrates. Ritual’s Daily Shake is sweetened with Reb-M and monk fruit, providing a pleasant taste without the need for artificial sweeteners. Additionally, the product features vanilla bean extract sustainably harvested from Madagascar, which adds a rich and natural flavor.
The protein powder also includes MCT oil, although the exact amount is not specified, making it difficult to gauge the specific benefits. MCT oil is known for its quick absorption and potential energy-boosting properties, which can be advantageous for those with an active lifestyle. However, MCT oil may cause gastrointestinal side effects in some people. ( 9 )
One of the standout features of Ritual Essential Daily Shake 18+ is its commitment to quality and transparency. The product is third-party tested through Informed Protein and Informed Sport, ensuring that it contains the amount of protein advertised and that it is free from heavy metals, microbes, and banned substances. This rigorous testing provides peace of mind that you are consuming a safe and pure product.
Additionally, the protein powder is non-GMO, gluten-free, and free of major allergens, catering to a wide range of dietary needs.
The protein powder contains 8 grams of essential amino acids per serving, including 4 grams of BCAAs (branched-chain amino acids), which are crucial for muscle protein synthesis. However, the specific amino acid profile is not provided, leaving some uncertainty about the exact amount of leucine, one of the most important amino acid for muscle growth. ( 13 , 8 )
One-time purchases are priced at $44 for 15 servings, which works out to $2.93 per serving. This is on the higher end for protein powders, but the added value comes from the high-quality ingredients, complete amino acid profile, sustainable sourcing, and extensive testing.
Ritual also offers a 30-day money-back guarantee, allowing you to try the product risk-free.
What customers are saying
Reviews on Amazon are mostly positive. Customers like the high-protein content and complete amino acid profile for a plant-based protein. Reviews are mixed on the taste and mixability.
“I love the vanilla flavor, it mixes well with almond milk and not chalky.”
BreAnna Davis, Amazon
An Amazon customer with the username YK says this protein powder tastes great as long as you use a blender. “It looks like batter mix at first when mixed with water. If you put it in your blender with the rest of your fruits for your smoothie, it comes out perfectly.”
Another Amazon customer with the username Leilani1603 shared these sentiments. “I did not like the taste at all. It tasted like a sweet (not overly sweet) cardboard. I truly believe if I made a proper shake with fruits ect. it would taste much better, however I would like a shake that tastes good that I can just have in 3 minutes without using a blender.”
Specs
| Cost per serving | $2.93 |
| Servings per container | 15 |
| Protein type | Pea protein |
| Protein per serving | 20 g |
| Calories per serving | 115 |
| Carbohydrates per serving | 3 g |
| Flavors | Vanilla |
| Certifications | Informed Protein, Informed Sport |
Best low carb vegan and plant-based protein powder: Promix Nutrition Unflavored Vegan Protein Powder
Key product features
What you should know
Promix Nutrition Unflavored Vegan Protein Powder offers a clean, allergen-free option with 115 calories and 2 grams of carbs per serving. It is non-GMO, gluten-free, and provides a balanced nutritional profile.
- Each serving contains 25 grams of vegan protein (delivering 5.2 grams of BCAAs) and fortified with 200% of the daily value for vitamin B12, which is particularly helpful for vegans.
- At $1.15 per serving, Promix Nutrition Unflavored Vegan Protein Powder is priced below average for a pea protein powder.
- This protein powder features organic Canadian yellow pea protein isolate and added vitamin B12, making it an excellent choice for those seeking a nutritious, allergen-free protein supplement that supports vegan dietary needs.
Why we like Promix Nutrition Unflavored Vegan Protein Powder as best vegan and plant-based
Promix Nutrition Unflavored Vegan Protein Powder is our top choice for the best low carb vegan protein powder due to its clean ingredient profile, added nutritional benefits, and affordability.
Each serving of this protein powder provides 25 grams of protein, only 2 grams of carbohydrates, and 115 calories, making it an excellent choice for those on a low-carb diet. The protein is sourced from organic Canadian yellow pea protein isolate, ensuring a high-quality, plant-based protein source. ( 5 )
One of the standout features of this protein powder is the addition of vitamin B12 , providing 200% of the daily value per serving. This is particularly important for vegans, as B12 is typically found in animal products and is crucial for maintaining healthy nerve cells and producing DNA. Including B12 in this protein powder helps address a common deficiency in vegan diets, supporting overall health and well-being. ( 14 )
In terms of amino acid content, Promix Nutrition Unflavored Vegan Protein Powder contains 5.2 grams of BCAAs. However, the specific amino acid profile is not provided, so the exact amount of leucine—an essential BCAA for muscle protein synthesis—is unknown. Leucine plays a critical role in initiating muscle protein manufacturing, thus supporting muscle growth and repair for people that train and making it a vital component of any effective protein supplement. ( 13 , 8 )
For those who prefer flavored options, Promix Nutrition also offers raw chocolate and French vanilla flavors. These variations have slightly different nutritional profiles, with 115-130 calories and 2-3 grams of carbohydrates per serving, sweetened with monk fruit.
Promix Nutrition Unflavored Vegan Protein Powder is third-party tested through an unnamed independent lab, ensuring its purity and quality.
Priced at $44 for a one-time purchase, each serving costs approximately $1.16,, making it a cost-effective option. There is also a subscribe and save option, which offers a 10% discount, further enhancing its affordability. The product comes with a 90-day guarantee, providing confidence in its quality and effectiveness.
What customers are saying
On Amazon, customers are impressed with the ingredient quality and nutritional content.
A verified Amazon buyer with the username tidalwayfarers wrote, “The taste is very mild, the texture is nice and creamy, mixes easier than any other I have tried, no bitter aftertaste, no graininess, not cloyingly sweet.”
“I have tried a gazillion vegan, gf protein powders and cannot say more nice things about this one. It tastes delicious….not too sweet and zero chalky aftertaste.”
Allison, Amazon
However, reviews are mixed about the texture and taste, which is not uncommon for a plant-based protein powder.
“I have never had unflavored vegan protein powder, so I am not sure how this compares to others, but I did not enjoy the taste of this product,” wrote a verified Amazon customer named Anna. “I could not even force myself to consume it in a fruit smoothie, with oatmeal, or with water.”
Specs
| Cost per serving | $1.16 |
| Servings per container | 38 |
| Protein type | Pea protein isolate |
| Protein per serving | 25 g |
| Calories per serving | 115 |
| Carbohydrates per serving | 2 g |
| Flavors | Unflavored |
| Certifications | None |
Best low carb protein powder for weight loss: Dymatize ISO100 Vanilla
Key product features
What you should know
Dymatize ISO100 Vanilla features 25 grams of hydrolyzed whey protein isolate and whey protein isolate per serving, providing fast absorption and aiding muscle recovery. It also contains 5.5 grams of BCAAs, including 2.6 grams of leucine, to enhance protein synthesis and muscle repair.
- Our expert product tester noted that Dymatize ISO100 dissolves really well in water with a shaker cup and doesn’t leave any chunks. He recommends mixing it with milk for a stronger flavor.
- This protein powder starts at $1.67 per serving on Amazon, which is an average price for a whey protein powder.
- Its low calorie and fat content, combined with hydrolyzed whey protein isolate for fast absorption, make Dymatize ISO100 Vanilla an excellent choice for those aiming to lose weight while preserving muscle mass.
Why we like Dymatize ISO100 Vanilla as best for weight loss
Dymatize ISO100 Gourmet Vanilla is our top choice for weight loss due to its impressive nutritional profile and effectiveness in protecting lean muscle mass. Each serving contains 25 grams of protein, just 110 calories, 1 gram of fat, 2 grams of carbohydrates, and only 1 gram of sugar, making it an excellent option for those aiming to reduce caloric and carbohydrate intake while maintaining high protein levels.
One of the key benefits of Dymatize ISO100 is its protein composition, which includes hydrolyzed whey protein isolate and whey protein isolate. Hydrolyzed whey protein isolate is partially pre-digested, meaning that some of the whey protein is broken down into smaller peptides for efficient and fast digestion and absorption.. This can be particularly beneficial for muscle recovery and growth, as the body can utilize the protein more quickly. Whey protein isolate is a highly purified form of protein with minimal fat and lactose, making it ideal for those who are lactose intolerant or looking to minimize fat intake. ( 6 )
Each serving also provides 5.5 grams of BCAAs, including 2.6 grams of leucine. BCAAs are crucial for muscle protein synthesis, reducing muscle soreness, and preventing muscle breakdown, which are important factors when aiming for weight loss while preserving lean muscle mass. ( 13 )
Leucine, in particular, plays a significant role in stimulating muscle protein synthesis, making it a vital component for anyone looking to build or maintain muscle during weight loss. ( 8 ) The inclusion of an amino acid profile is an important feature, as it allows users to see the specific breakdown of amino acids in each serving, helping them make an informed decision based on their individual dietary needs and fitness goals.
Dymatize ISO100 is sweetened with both stevia and sucralose and contains natural and artificial flavors, ensuring a pleasant taste without adding excess sugar or calories. Our product tester said he preferred the taste of Dymatize over other powders because it wasn’t as overwhelmingly sweet as those that are sweetened with stevia.
This protein powder is also third-party tested and certified through Informed Choice, providing assurance that it meets high standards for purity and safety, and is free from banned substances and contaminants.
On Amazon, a 20-serving container is about $33.47, putting each serving around $1.67. This is an average price for a protein powder. Our expert product tester pointed out that other brands with comparable nutrition profiles cost $2 or more per serving.
What customers are saying
Dymatize ISO100 has garnered over 31,000 global ratings on Amazon, most of which are positive. However, these reviews aren’t exclusive to the gourmet vanilla flavor we reviewed. In general, customers like the taste, texture, and mixability of this protein powder.
Verified Amazon customer Gary N. writes, “Vanilla is awesome. [It] blends extremely well and tastes great.”
“I have used various protein powders over the years and in my opinion this is the best tasting vanilla I have ever had.”
Mike, Amazon
However, other customers left reviews that the vanilla flavor is their least favorite.
“Vanilla flavor tastes like generic protein powder,” wrote Amazon customer Chris Kempf. On the plus side, he added that it “blends well and doesn’t leave you feeling bloated.”
Specs
| Cost per serving | $1.67 |
| Servings per container | 20 |
| Protein type | Hydrolyzed whey protein isolate, whey protein isolate |
| Protein per serving | 25 g |
| Calories per serving | 110 |
| Carbohydrates per serving | 2 g |
| Flavors | Gourmet vanilla |
| Certifications | Informed Choice |
How we test supplements
Our goal is to help you find the best low carb protein powder for your needs through our honest and unbiased feedback. We consider multiple factors, including ingredient purity, effectiveness, taste, and more, to ensure comprehensive and reliable reviews. Below is a detailed breakdown of how we assessed the protein powders featured in this article. Here’s a closer look at our methodology for evaluating supplements .
Efficacy—40%
Evaluating supplement efficacy is our biggest priority when testing protein powders because we want to ensure they deliver on their health and performance promises. This involves assessing the scientific evidence behind their ingredients and their ability to provide the intended benefits effectively. By confirming efficacy, we can recommend products that truly support your fitness goals and overall well-being.
Here’s what we look for:
- Clinical evidence
- Calories per serving
- Dose efficacy
- Synergistic effects
- Proprietary blends
Safety and side effects—35%
Ensuring the safety of the supplements we recommend is paramount, which is why we rigorously evaluate potential side effects and safety standards. By doing so, we can confidently recommend products that are not only effective but also safe for you to use.
We evaluate:
- Reported side effects
- Third-party testing
- Manufacturer accreditation
- Artificial sweeteners
Value—20%
Evaluating the value of a supplement is important because it goes beyond just looking at the price. It’s about getting the best quality and effectiveness for your money. We analyze costs to ensure you’re getting a good deal and that the supplement is worth what you pay for it.
We consider:
- Price per serving
- Subscription discounts
Customer experience—5%
Evaluating the customer experience is important because it helps us understand how easy and satisfying it is to use the supplement. This includes everything from ordering and delivery to customer service and return policies. By factoring in customer experience, we ensure that you not only get a good product but also have a positive and hassle-free experience with the brand.
Our factors in this rating include:
- Ease of purchase
- Shipping and returns
- Customer support
What is low carb protein powder?
Low carb protein powder is a dietary supplement designed to provide a high amount of protein while minimizing carbohydrate content. These powders are ideal for individuals following low-carb diets, such as ketogenic or Atkins diets, where reducing carbohydrate intake is a priority to promote fat loss and maintain muscle mass. Low carb protein powders typically contain fewer than 5 grams of carbohydrates per serving, making them suitable for those looking to limit their carb intake without sacrificing protein consumption.
Benefits of low carb protein powder
Low carb protein powder offers several benefits, particularly for individuals following a low-carb or ketogenic diet . One of the primary advantages is its ability to support muscle growth and recovery without significantly impacting carbohydrate intake. ( 1 ) By providing a high protein content and minimal carbs, these powders help maintain muscle mass and promote repair after workouts, which is essential for athletes and those engaged in regular physical activity. ( 2 )
Another benefit is weight management. Low carb protein powders can help with weight loss by reducing hunger and increasing satiety. Protein is known to be more filling than carbohydrates and fats, which can help control appetite and reduce overall calorie intake. This can be particularly beneficial for those looking to lose weight or manage their weight effectively. ( 15 )
How to choose the best low carb protein powder for you
Choosing the best low carb protein powder involves considering several key factors to ensure it meets your nutritional needs, dietary preferences, and health goals. Here are some steps to help you make an informed decision:
Check the protein source
Common sources include whey, casein, soy, pea, and other plant-based proteins. Whey protein isolate is a popular choice for low carb diets due to its high protein content and low lactose levels. For those who are vegan or lactose intolerant, pea protein or other plant-based options can be suitable alternatives.
Examine the nutritional profile
Look at the nutritional information to ensure the protein powder aligns with your dietary goals. This includes checking the amount of protein, carbohydrates, fats, and total calories per serving. Ideally, a low carb protein powder should have fewer than 5 grams of carbs per serving while providing a high amount of protein, typically around 20-25 grams.
Consider ingredient quality
Opt for protein powders with high-quality ingredients and minimal additives. Avoid products with artificial sweeteners, flavors, or preservatives if you prefer a cleaner supplement. Instead, look for those sweetened with natural alternatives like stevia or monk fruit.
Check for additional nutrients
Some protein powders are fortified with additional nutrients like vitamins, minerals, and amino acids. For instance, BCAAs added to plant-based protein powders can be beneficial for muscle recovery and growth, especially when 2–3g of leucine are added. Vitamin D and other essential nutrients can also add value to the supplement.
Evaluate flavor and mixability
Taste and texture matter, especially if you plan to consume the protein powder regularly. Read reviews to find out how well the powder mixes with liquids and if the flavor is pleasant. Some products come in multiple flavors or even unflavored options, giving you flexibility based on your taste preferences.
Look for third-party testing
To ensure the product’s safety and quality, check if it has been third-party tested for contaminants and banned substances. Certifications from organizations like Informed-Choice or NSF International provide an added layer of assurance regarding the product’s purity and efficacy.
Consider cost and value
Compare the price per serving to determine if the protein powder offers good value for money. Sometimes, higher-priced products come with added benefits like better ingredient quality or additional nutrients. Evaluate whether the cost aligns with the benefits provided.
FAQs
Which protein powder has the lowest carbs?
Typically, whey protein isolates or hydrolyzed whey protein isolates will contain the lowest amount of carbohydrates. Protein powders from Transparent Labs, Jacked Factory, and Gainful contain as little as 0–1 grams of carbs per serving. Always check the nutritional label for specific carb content.
Are low carb protein shakes good for you?
Yes, low carb protein shakes can be good for you, especially if you are following a low-carb or ketogenic diet. They can provide a high amount of protein, which supports muscle maintenance, growth, and recovery, while keeping carb intake low. Additionally, low-carb protein shakes can help with weight management by reducing hunger and increasing satiety. However, it’s important to choose a protein shake with high-quality ingredients and minimal additives. Always consult with a healthcare provider to ensure it fits your dietary needs and health goals.
What is the best protein powder to use on a keto diet?
The best protein powder to use on a keto diet is one that is high in protein and low in carbohydrates. Whey protein isolate is a popular choice. Look for protein powders that provide at least 25 grams of protein and less than 5 grams of carbohydrates per serving. Additionally, protein powders that contain MCT oil are beneficial for those on a keto diet, since it can provide a quick source of energy. This makes keto-friendly protein powders with MCT oil an ideal choice for those looking to boost their energy levels while adhering to a keto diet.
Is it good to take a low carb protein powder every day?
Yes, it’s okay to use low carb protein powder every day, especially if it aligns with your dietary goals and nutritional needs. Daily use can help you meet your protein requirements, support muscle growth and recovery, and aid in weight management by promoting satiety. However, it’s important to choose a high-quality protein powder with minimal additives and consult with a healthcare provider to ensure it fits your overall diet and health plan
These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any diseases.
Our experts
Robert Wildman, Ph.D., RD, LD, CISSN, FISSN
“Dr. Rob” is a globally renowned exercise, fitness, and nutrition expert who speaks around the world on exercise and sport nutrition, and continues to work with professional and elite athletes to achieve their highest level of performance as well as health and fitness. Rob received his Ph.D. from The Ohio State University, earned his MS from Florida State University, and earned his BS from the University of Pittsburgh. He is also a registered and licensed dietitian.
Victoria Burgess, Ph.D., CSCS, CISSN
Victoria uses her extensive nutrition and performance knowledge every day. She has a Ph.D. in Health and Human Performance from Concordia University Chicago and holds her NSCA CSCS and Certified Sports Nutritionist (CISSN). She’s an adjunct professor in the Human Performance and Nutrition department at Concordia University Chicago and Parker University, where she teaches undergraduate, graduate, and doctoral-level courses. She also sits on the advisory board for both the International Society of Sports Nutrition and the National Advisory Council of the First Responder Institute.
Jessica Coulon
Jessica is a contributing editor and writer for Fortune Recommends who specializes in fitness, health, nutrition, and science content. Previously, she was an editor for Popular Mechanics and Bicycling, where she covered pro cycling news, wrote how-to guides, and tested all the latest and greatest bike gear. She was also a regular shoe tester and contributor for Runner’s World. You can often find her skiing or riding her mountain bike, and racing with the F1RE female enduro team.
Joana Neziri, M.S., NASM CPT
Joana is a writer, editor, and content strategist focusing on nutrition, fitness, and all things health. After earning a master’s degree in business from the University of North Florida, she began a career in research and digital marketing.
Kelly Uhler
Kelly has a multifaceted background in elder care, health care, and copywriting. She has worked for organizations such as A Place For Mom and Homecare.com, which gave her the opportunity to work closely with families, providing reliable information to help them make informed decisions about their loved one’s health, safety, and quality of life.
Melissa Boufounos, CHN
Fortune Recommends Nutrition Writer
About Author
Melissa Boufounos is a certified holistic nutritionist, nutrition writer, and lifelong athlete in the greater Ottawa, Ontario, Canada area. She specializes in sports nutrition and works with teen hockey players and competitive obstacle course race athletes in her virtual private practice MB Performance Nutrition .