100% brand new quality: Personalized daily necessities for men Can support muscle function, replenish energy, and promote daily digestion Centrum Men is a complete men's multivitamin because it's rich in vitamin D3 (our preferred form of vitamin D), Centrum Men also benefits men's muscle mass and is verified GMO-free(1) and gluten-free . As part of a holistic lifestyle, taking a daily multivitamin can help adults get the key vitamins they need to support their bodies from head to toe. Energy: B vitamins and iron support daily energy needs; Vitamins C, E, beta-carotene and zinc help maintain normal body functions; Digestion: B vitamins help circulate and digest body fat, carbohydrates and Protein; Muscle Function: Vitamins D and B6 are good for muscles. Please store in a cool and dry place If you have any questions, please contact me and we will reply to you within 24 hours~