retatrutide molecular formula RCSB PDB Retatrutide | GLP-1R/GIPR/GCGR ligand |

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Cleveland Clinic

Subscribers can listen to this article Despite bold branding and claims, the so-called GLP-1 drops sold on major online stores are neither approved by South African regulators nor proven to be effective for weight loss

Compounded medications are not reviewed or approved by the FDA as finished products

Trial status (May 2026): Eli Lilly reported positive topline results from the Phase 3 TRIUMPH-1 obesity trial on May 21, 2026, with mean weight reduction of 28.3% at 80 weeks on the 12 mg arm [1][2]

The GLP-1 medications making the headlines are the synthetic versions designed to mimic natural GLP-1