Compare · GLP-1 agonist
Orforglipron vs Retatrutide
Both are glp-1 agonist compounds. Here's how they line up on the evidence — graded the same way.
| Orforglipron | Retatrutide | |
|---|---|---|
| Evidence | Strong human | Preliminary human |
| Class | GLP-1 agonist | GLP-1 agonist |
| Summary | An oral, non-peptide (small-molecule) GLP-1 receptor agonist, FDA-approved in April 2026 as Foundayo for chronic weight management. It is a once-daily pill with no food or timing restrictions — not a peptide, and not an injectable. | An investigational triple-hormone agonist with striking weight-loss data in trials, but not yet FDA-approved and with no peer-reviewed Phase 3 results. |
| Full profile → | Full profile → |
Orforglipron
Orforglipron (brand name Foundayo) is a GLP-1 receptor agonist — the same drug class as semaglutide and tirzepatide — but with one defining difference: it is a small molecule, not a peptide, and it is taken as a once-daily pill rather than an injection. In April 2026 the FDA approved it for chronic…
Retatrutide
Retatrutide (Lilly code LY3437943) is an investigational injectable drug for obesity and type 2 diabetes. It has produced some of the largest weight-loss figures seen in trials so far, but as of June 2026 it is not approved anywhere and its pivotal Phase 3 data have not yet been peer-reviewed.