In Vitamin C: Vitamins Forum - Is It Possible That Vitamins Make Me Tired? page 3

Vitamins Forum - Is It Possible That Vitamins Make Me Tired? page 3 I am so glad I found this. I have been having the same issue on gnc mega men sport. I figured it was the excessive amount of vitamin a retinol so i dialed it down to 1 tablet. Today i was incredibly tired again. Its really hurting my work. So is it just to much vitamin quantity or specifically gnc? Also tara very interested in yo ...Vitamin C