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The Peptide Toolkit

Compare peptides

Put up to 4 peptides side by side: dose, route, half-life, frequency, evidence, and FDA status. Then jump straight into the calculator for any of them.

Tirzepatide
Semaglutide
Retatrutide
CategoryGLP-1 PeptidesGLP-1 PeptidesGLP-1 Peptides
FDA statusInvestigationalInvestigationalInvestigational
Typical dose5 mg0.25 mg4 mg
Frequencyweeklyweeklyweekly
RouteSubcutaneousSubcutaneousSubcutaneous
Half-life117 h165 h120 h
Evidence———
Common side effects———
Calculate Guide Interactions
Calculate Guide Interactions
Calculate Guide Interactions

Educational comparison only. Not medical advice. Dose ranges are typical research/label values; always follow your prescriber. Many peptides are not FDA-approved.