Peptides are small molecules made up of two or more amino acids linked together by covalent bonds. The number of amino acids in a peptide can range from two to several hundred. Peptides have a wide range of functions in the body, depending on their size and sequence. The benefits of using hormone therapy with peptide hormones include: Improved energy levels, Increased muscle mass and strength, Improved fertility rates in women, and Improved overall health. For more details about hormone therapy, visit Dr. Arasi Thangavelu.