Vitamin C twice a day enhances health.
Preventing the common cold with a vitamin C supplement: A double-blind, placebo-controlled survey.
How much Vitamin C is Really Needed? Keeping you healthy and your immune system at its peak.
Although the body possesses numerous enzymes that scavenge free radicals, Vitamin C plays a vital role in combating these free radicals.
This reflects the increased usage of Vitamin C by immune cells while fighting a virus.
A Combination of High-Dose Vitamin C plus Zinc for the Common Cold.