[1,500 pills] As a nutritional supplement, take 15 to 40 pills per day. Please take them with a glass of water, hot water, tea, etc. You may divide the dosage into 2-3 times. Since this is a new, unopened product, please make your decision based on the product description. Thank you for your understanding. Please note that we cannot accept complaints or returns after the transaction is complete. Two bags (600 pills) ... Expiration date: 2025.06 One box (900 pills) ... Expiration date: 2027.07