Patrick Holford Immune C is the perfect immune support supplement specifically designed to support your body's natural immunity, with optimum amounts of Vitamin C & Zinc which both contribute to the normal function of the immune system. Additional Information: Vitamin C & Zinc are antioxidants which contribute to the protection of cells from oxidative stress Vitamin C & zinc also contribute to the normal function of the immune system With natural plant extracts of Black Elderberry & Ginger Suitable for Vegetarians & Vegans Ingredients: Vitamin C Preparation (Ascorbic Acid with Hydroxypropyl methylcellulose), , Bulking Agent (Microcrystalline Cellulose), Black Elderberry Extract, , Ginger Powder, Anti-caking Agents (Magnesium Stearate & Silicon Dioxide), , Glazing Agent (Glycerine & Hydroxypropyl methylcellulose), Bilberry extract, , Zinc Citrate Trihydrate Daily Usage: One tablet taken twice daily with food, or as professionally directed. Cautions/ Allergens: Cautions: If you are under medical supervision, please consult a doctor before use Allergens: No Allergen