Lab-tested peptides are synthetic compounds composed of short chains of amino acids that have been rigorously tested in controlled laboratory environments to ensure their purity, potency, and safety. These peptides are often utilized in various fields such as biotechnology, medicine, and wellness, with applications ranging from muscle growth and fat loss to skin rejuvenation and anti-aging. Peptides are for research purposes only. Spartan Peptides is a non-medical peptide research company.