Claims substantiated by EFSA. ZINC (25MG) GLUCONATE TABLET. Each Tablet Providing: Zinc 25mg(Per Serving) 250%(%RI ). Skin Nail Immune Health Support Veg tablets. HIGH ABSORPTION FORMULA: Research shows that Zinc may enhance immune function, stabilize blood sugar levels, and support skin, eyes, and heart health, Zinc also contributes to the normal function of the immune system and to the protection of cells from oxidative stress, there are plenty of reasons to ensure you get your daily dose.