PepZin GI is a complex of the mineral zinc and l-carnosine. PepZin GI was developed in Japan and has been in widespread use there since 1994. Research on PepZin GI has found that it is extremely beneficial in supporting healthy gastric function. PepZin GI acts by supporting the integrity of stomach cells and may exert free-radical scavenging activity, inhibiting the expression of certain cytokines. PepZin GI also promotes healthy mucus secretions from stomach cells while maintaining a healthy bacterial balance in the GI tract. Supplement Facts Serving Size: 1 Cap Servings per Container: 120 Amount Per Serving Zinc from PepZin GI 8 mg PepZin GI Zinc L-Carnosine Complex 37.5 mg L-Carnosine from PepZin GI 29.5 mg Other Ingredients: Calcium carbonate, modified cellulose veggie cap, magnesium stearate, silicon dioxide. Contains nothing other than listed ingredients. Directions: One capsule two times daily, during or after meals.