Fundamentals
Start here. The basics of peptide science and research.
Fundamentals 15 min
PT-141: The Peptide That Targets Desire, Not Blood Flow — and Why Its FDA Approval Barely Made a Dent
PT-141 is the only FDA-approved peptide for sexual desire. It works through the brain, not blood flow. But a 40% nausea rate and $290/dose explain why almost nobody uses it.
Fundamentals 7 min
What Are Peptides? A Beginner's Guide to Peptide Science
Peptides are short chains of amino acids that play critical roles in your body. Learn what they are, how they work, and why they matter.