For daily zinc supply COSPHERA Zinc Tablets contain 25 mg of high-dose zinc bisglycinate per tablet. This zinc is derived from the branded raw material Albion Zinc Bisglycinate and has high bioavailability. Zinc plays an essential role in healthy skin, hair, and nails, protecting cells from oxidative stress. Additionally, zinc contributes to normal testosterone levels in the blood and promotes normal metabolism and immune system function. Vegan. Gluten-free. Lactose-free.