Peptide Science Basics: Evidence-First Education on Peptides and Health

Key Takeaways Peptides and anabolic steroids are structurally and mechanistically distinct: peptides are short amino acid chains that signal cells from the outside, while steroids are lipid-based hormones that enter cells and directly alter gene expression. Anabolic steroids are Schedule III controlled substances in the United States; peptides are structurally distinct and are not classified under that same controlled-substance category. Steroids generally produce more direct