Key amino acids found in collagen do appear to have some benefits for gut health. (noexcusesnutrition.com)
It is rich in vitamins and minerals and the protein is easily digestible, so your dog will absorption key amino acids. (k9power.com)
Of the maize varieties, some 10 percent were quality protein maize, which carries enhanced levels of key amino acids for protein synthesis in humans. (wheat.org)