Clinically Studied MultivitaminAntioxidantsHeartImmune SupportMore antioxidant power than ever and over 30 clinically studied ingredients in every formula - all in smaller, easier-to-swallow pills.Men's HealthContains a clinically studied men's multivitamin formula shown to work better than a basic multivitamin. Helps support colon and prostate health.*Antioxidants Packed with antioxidants for cell protection and stress defense.*Heart Supports heart health and cardiovascular function.*Immune Support Supports immune health with 20% more absorption of key immune and stress defense nutrients. ^In a randomized, double blind, placebo-controlled study of 112 healthy volunteers, subjects taking the GNC vitamin and mineral blends for six weeks experienced significant improvements in serum levels of certain key ingredients compared to a placebo and a leading multivitamin formula based upon multivariate statistical analysis of a group of B vitamins (thiamin, niacin, riboflavin, pantothenic acid, biotic, folic acid and vitamins B-6 and B-12) and key antioxidants and carotenoids (a group of beta-carotene, alpha tocopherol, selenium, lutein and lycopene). Statistical improvements in SF-36 Vitality and Mental Health scored were also observed compared to placebo.