Pritikin Blog 4 Tips from Experts to Boost Your Immune System Naturally: What science has to say about popular supplements for cold and flu prevention.

Evidence for Vitamin C Mega Doses for the Flu or the Common Cold It's become fairly popular to pour powdery vitamin C infused supplements into your water bottle, or to swallow a large pill in hope it will prevent the common cold. Registered Dietician, Lon Ben-Asher of Pritikin, reminds us that more is not necessarily...