Hydrolyzed Collagen from Pasture-Raised Cattle Complete Collagen™ contains non-GMO hydrolyzed collagen from pasture-raised, grass-fed cattle that is free of both antibiotics and added hormones. Each scoop provides 10g of collagen along with 60 mg of Vitamin C (for its role in collagen formation), as well as 100mg of L-Tryptophan (an essential amino acid that collagen doesn't contain). Add to any liquid - hot or cold