Peptides have gained popularity in recent years due to their effectiveness and low side effect profile. The surge in popularity can be attributed to their slow and steady growth, as well as their proven efficacy. Peptides started with bodybuilders experimenting with their own bodies and have now expanded to various applications in functional health. Peptides are small linear chains of amino acids that have unique functions based on their shape. They are produced in various tissues in the body and have more targeted communication compared to hormones. Peptides are nature's medicine and have a significantly lower side effect profile compared to medications. However, there is a need for more research and regulation in the peptide industry. Access to safe and high-quality peptides can be obtained through board-certified practitioners and state-regulated compounding pharmacies. The administration of peptides can be done through subcutaneous injections, troches, creams, nasal sprays, and inhalation. Dosing can be confusing, but understanding the concentration and units is crucial. The different families of peptides include growth hormone secretagogues, healing peptides, neurological peptides, skin health peptides, and anti-aging peptides. Peptide therapy can be optimized by incorporating lifestyle changes and other supplements.