100% brand new quality: Personalized everyday items for men May Support Muscle Function, Replenish Energy, Boost Metabolism Centrum Men is a complete multivitamin for men thanks to its high content of vitamin D3, our preferred form of vitamin D, Centrum Men is also good for men's muscle mass and is verified GMO-free(1) and gluten-free . Consuming a daily multivitamin as part of an overall lifestyle can help adults get the key vitamins they need to support their body from head to toe. Energy: B vitamins and iron support daily energy needs; vitamins C, E, beta-carotene and zinc help maintain normal body function; Boost metabolism: B vitamins help metabolize body fat, carbohydrates and protein; muscle Function: Vitamins D and B6 are good for muscles. Please store in a cool dry place If you have any questions, please contact me, we will reply you within 24 hours~