Peptides are short chains of amino acids and are hence also called small proteins. Peptides are very important hormonal functions and regulate the body’s metabolism. Peptide hormones trigger the release of fat and the creation of muscles. They also help the body to absorb more amino acids and manage the growth hormone. The research on peptides is very important for those seeking to study human fitness and muscle development. The extensive contents of this book provide the readers with a thorough understanding of the subject. It includes some of the vital pieces of work being conducted across the world, on various topics related to peptides.