The 'High Five' refers to the higher level of Vitamin B5 (pantothenic acid) found in this formula. Features buffered vitamin C, natural source vitamin E, vegan vitamin D, natural source carotenoids, balanced B-complex, fully-reacted chelated minerals including Selenium, Chromium, Iron and Zinc, Selenium contributes to normal maintenance of hair and nails, the normal function of the immune system, normal thyroid function and for the protection of cells from oxidative stress.