Collagen Amino Acids: Where Perform They Come From? Peptides: substances that contain at least 2 amino acids. Polypeptides: Polypeptide chains contain 10 or maybe more amino acids. Protein: Peptides that consist of 50+ amino acids. Thus, as all squares is rectangles however all rectangles were squares, all protein tend to be peptides, not all peptides have sufficient amino acids to get also known as protein. Collagen was a peptide given that it keeps between 2 and 10 proteins. Arginine: also called the “anti-aging” amino acid, this semi-essential amino acid was a component of many body proteins. Glycine: the easiest natural amino acid therefore the 2nd most frequent any we, glycine accocunts for a third in our overall collagen supplies. Proline: Proline is responsible for the c...