GNC vitamins is having a buy 1 get 1 free sale! The sale is online, and there is also free shipping on these items. When you shop, make sure it has the red tag and a "buy one get one free" comment next to the red tag. Here is the link and an example: Log In "GNC, buy one GNC-brand supplement and get a second item of equal or lesser value for free. (Add two to your cart to get the discount.)"
