Know what you're taking. Track how it's working.

A plain-language reference for 38 common peptides, a dosing and reconstitution guide, and a private tracker for your doses and results.

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Peptide libraryWhat each peptide is used for, typical dosing, side effects and how strong the evidence is. Dosing guideHow reconstitution works, plus a calculator that converts your dose into syringe units. Personal trackerLog every dose and record weight, energy, sleep, pain and side effects over time. Help boardAsk questions about protocols and results, and learn from other members.

Popular peptides

Retatrutide LY3437943, "Reta"

Investigational triple agonist of GLP-1, GIP and glucagon receptors. Phase 2 trials showed very large weight loss. Used for: Obesity (investigational), Type 2 diabetes (investigational)

In clinical trials Weight & metabolic AMP-3PNXP-3P

Tirzepatide Mounjaro, Zepbound

Dual GIP and GLP-1 receptor agonist. In trials it produced larger average weight loss than semaglutide. Used for: Chronic weight management, Type 2 diabetes

FDA-approved (Rx) Weight & metabolic AMP-2PNXP-2P

BPC-157 Body Protection Compound 157

Synthetic fragment of a stomach protein. Widely used for tendon, ligament, muscle and gut healing. Used for: Tendon and ligament injuries, Muscle tears

Mostly animal data Healing & recovery BPC 157

CJC-1295 + Ipamorelin Mod GRF 1-29 + Ipamorelin blend

Popular stack pairing a GHRH analog with a selective GH secretagogue for a stronger GH pulse. Used for: Body composition, Recovery

Mostly animal data Growth hormone CJC-1295 No DACCJC-no DAC/Ipamorelin BlendCJC-1295 no dac