Research Tool

Compare Research Peptides

Mechanism, target, research status, and what each compound is studied for — side by side. A factual reference for research use only.

Choose up to 3 compounds

Retatrutide (GLP-3)

Tirzepatide

Semaglutide

Category
Metabolic
Metabolic
Metabolic
Target / mechanism
GLP-1 + GIP + glucagon (triple agonist)
GLP-1 + GIP (dual agonist)
GLP-1 (mono agonist)
Research status
Phase 3 (investigational)
Approved formulations exist
Approved formulations exist
Most studied for
Metabolic & body-weight research
Metabolic & body-weight research
Metabolic & body-weight research
Supplied as
Lyophilized powder
Lyophilized powder
Lyophilized powder
Learn more

Factual mechanism & research-status reference · research use only · not medical advice

Head-to-head comparisons

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Explore full mechanisms in the Education library or run the reconstitution calculator.