Whether you’re in good health and want to stay that way, or feel something coming on, Anti-Viral can help. Anti-Viral is a fast-acting, incredibly powerful immune-support supplement –the result of years of extensive research by Natural Factors in collaboration with researchers at leading universities around the world.

It features patented, clinically proven ECHINAMIDE^® – a fresh herb extract of organic Echinacea purpurea grown on our own organic farms – plus reishi mushroom, lomatium, astragalus, and licorice. Take long term to gently increase resistance, or short term to quickly shorten duration.