CanPrev Zinc Bis-Glycinate 50 Ultra Strength 120 Veggie Caps50mg of pure elemental zinc Ultra strength dose for acute needs In the preferred form for superior absorption Zinc is an essential mineral essential in the sense that our body does not produce it, so its important to get adequate amounts. Its a cofactor for over 300 enzymatic reactions. It plays a role in protein synthesis, mood balance, thyroid and prostate health, skin and hair health, inflammation, immunity, diarrhoea, night vision and fertility.