Immunity Probiotic Contains: Packed With Vitamin C & Vitamin D – Vitamins C 500mg Supplement and Vitamin D 5000 IU which are both known to be high in antioxidant support and essential vitamins that your body is unable to produce naturally. Zinc 50mg is critical because the body doesn’t store excess zinc, so it must be obtained from the diet. Lastly, BIOHM FX patented and clinically studied probiotic blend for gut health and immune support.