The present RDA for vitamin C for adults is 60 milligrams—a far cry from the 1,000 mg found helpful in the stress study. But there's a growing belief that the RDA for vitamin C is vastly outdated.

Puritan's Pride® Personalized Vitamin Packs subscriptions vary in price by individual needs, but are generally available for around $55 a month, with a 25% off discount on the first order at www ...

Thirty smokers were randomly assigned to receive vitamin C (1000 mg/day), vitamin E (400 IU/day), both vitamins, or a placebo for 8 weeks in a double-blind fashion where neither the subjects nor ...