, 7 b vitamins + biotin choline inositol & paba, one-a-day strong but safe & excellent value for money, keeps b vitamin levels topped up, supports normal mental performance & the reduction of tirednessthis is our most popular vitamin b 50 product & we can understand why: it delivers all the b vitamins as levels that are higher than the rdas & which are often recommended & have been used in studies on particularly high-need groups such as the elderly. the b vitamins are crucial to almost every process in the body from good immune system function to supporting the nervous system. they help with the release of energy from foods critical for anyone placing their body under high physical dem&. additional folic acid & vitamin b 6 regulate homocysteine in the blood boosting cardiovascular health.