Gnc women's multivitamin - energy & metabolism twin pack: 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 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 calorie burning and mental sharpness. Antioxidants: packed with antioxidants to help fight free radicals that can be produced by intense exercise. Two 180-count bottles ^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. . Gnc women's multivitamin energy & metabolism healthy - twin pack (90 servings each)