What Is Tres Aminos? Tres Aminos is a compounded amino acid therapy that combines three powerful amino acids into one treatment: L-Arginine – Supports nitric oxide production, helping improve circulation so more oxygen and nutrients reach your muscles during and after exercise. L-Lysine – An essential amino acid that supports collagen production, tissue repair, and healthy fat metabolism. L-Proline – Plays an important role in collagen formation, connective tissue health, and