Puritan's Pride Zinc Gluconate 25mg or 50mg. 25mg Bottle Size 100 Expiry Date: 04/2024. 50mg Bottle Size 100 Expiry Date: 07/2024. 50mg Bottle Size 250 Expiry Date: 04/2025. 100 / 250 Caplets. Other Ingredients: Vegetable Cellulose, Dicalcium Phosphate.