FrogFuel Protein is qualified as a medical food by the FDA and provides 15 grams of rapidly absorbed medical-grade liquid collagen protein 'Pre-digested' for nearly 100% protein bioavailability Fortified w/Glutamine, Cysteine, Histidine, Methionine, Threonine, & Tryptophan Enhanced with taurine Clinically proven, 100% protein digestibility in under 15 minutes No mixing, just drink 60 calories (All protein); sugar, fat, gluten and lactose free NO banned substances, NO GMOs, NO artificial flavors