This is a 30-day supply of DHC Sustained-Release Vitamin B Mix. It's a time-release type that gradually releases water-soluble vitamins, allowing you to take all 8 types of vitamin B at once. For postpartum nutritional support and to maintain and improve health. [Brand] DHC [Product Name] Sustained-Release Vitamin B Mix [Contents] 30 days (60 tablets) [Type] Time-release type [Condition] Unused Expiration date: 2027.10 Thank you.