Hydrolyzed Collagen from Pasture-Raised CattleComplete Collagen contains non-GMO hydrolyzed collagen from pasture raised, grass-fed cattle (minimum 70% natural grasses) that is free of both antibiotics and added hormones.Each scoop provides 10 grams of collagen along with 100% of the RDA of Vitamin C for its role in collagen formation), as well as 100 mg of L-Tryptophan (an essential amino acid that collagen does not contain).Complete Collagen is gluten free, will mix easily into water or your favourite beverage and can be added to protein shakes or breakfast smoothies.