The # 1 selling training pak in the world for seventeen years straight, since 1984, more competitive bodybuilders have cut their teeth on the Animal Pak than any other bodybuilding supplement in history. Why? Simple. Animal Pak gets the job done. It works. First time. Last time. Every time. Nature, in all her ingenuity, has designed the human body as the ultimate performance machine. When it comes to feeding our muscles, we still need the nutrients we get from our diets. But when it comes time to grow our muscles, we need the right combination and mega-doses of essential amino acids, carbs, vitamins, minerals and essential fatty acids (EFAs). Only Animal Pak has what you need.You need plenty of the above, plus that little something extra only Animal Pak provides. That's why we've also loaded the Animal Pak with performance optimizers such as PAK, IGF colostrum, nucleotides, lipotropics, L-arginine, protogen A, eleuthero and the like. In every pack, you're blasted with an array of over 55 key ingredients which are delivered in the right amounts at the right time every time. Each of the 11 tablets included in each pak has been specifically formulated to deliver the goods. By taking the Animal Pak, you prevent the formation of nutritional gaps.