Blood ascorbic acid level in bioflavonoid and ascorbic acid therapy of common cold

WL Franz, GW Sands, HL Heyl�- Journal of the American Medical�…, 1956 - jamanetwork.com
• The incidence and course of common colds were followed in 89 medical students and
nurses who volunteered in a study of the efficacy of naringin, a bioflavonoid extracted from
grapefruit peel and used in remedies for colds. One group of 22 subjects received 333 mg.
of naringin and 65 mg. of ascorbic acid three times daily for three months; a second group
received naringin only, another ascorbic acid only, and the fourth a placebo. These
substances were administered in capsules as nearly alike as possible. Symptoms of colds�…