GNC Mega Men Healthy Testosterone Vitapak Program - 30 Vitapaks
- ...a randomized, double-blinded, placebo- controlled study of 112 healthy volunteers, subjects taking the GNC vitamin and minerals blend for six weeks experienced significant improvements in serum levels of certain key ingredients compared to placebo and a basic multivitamin formula based upon multivariate statistical analyses of a group B vitamins (thiamin, niacin, riboflavin, pantothenic acid, biotin folic acid, and vitamin b-6 and b-12) and key antioxidants and carotenoids.