gnc women's multivitamin energy & metabolism gnc gnc women's multivitamin - energy & metabolism: clinically studied multivitamin energy, calorie burning, and antioxidants. more antioxidant power than ever and over 30 clinically studied ingredients in every formula - all in smaller, easier-to-swallow pills. contains 100 mg of caffeine per serving. women's health: contains a clinically studied women's multivitamin formula shown to work better than a basic multivitamin.^ helps to support bone health.* energy: shown to improve levels of key b vitamins^ essential for energy production.* calorie burning: features a combination of thermogenic ingredients ingredients that may support calorie burning and mental sharpness.* antioxidants: packed with antioxidants to help fight free radicals that can be produced by intense exercise.* ^in a randomized double-blinded, placebo-controlled study of 112 healthy volunteers subjects, taking the gnc vitamin and mineral blend for 6 weeks experienced significant improvements in serum levels of certain key nutrients 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, biotin, 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 score were also overserved compared to placebo. ^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 nutrients compared to a placebo and a basic multivitamin formula based upon multivariate statistical analyses of a group of b vitamins (thiamin, niacin, riboflavin, pantothenic acid, biotin, folic acid and vitamins b-6 and b-12) and key antioxidants and carotenoids (a group of beta-carotene, alpha-tocopherol, selenium, lutei