Dietary Supplement. The weight gain formula with OKG and Creatine. Perfect 1100 weight gainer delivers up to 12100 great tasting calories per container in a formula complete with vitamins, minerals, electrolytes, amino acids, glucose polymers, lipotropics, and anti-catabolics: the state-of-the-art nutrients that athletes expect in an advanced weight gain formula. Contains no added manufactured L-Tryptophan, 100% safe.