Peptides in general are smaller versions of proteins. Peptides are short strings of amino acids, typically comprising 2–50 amino acids. Amino acids are also the building blocks of proteins, but proteins contain more. Peptides may be easier for the body to absorb than proteins because they are smaller and more broken down than proteins. They can more easily penetrate the skin and intestines, which helps them to enter the bloodstream more quickly. Natural Weight Management Peptides without an injection, demonstrating the ability to regulate and reduce appetite, cravings, and caloric intake.