Reviewed by Dr Dan Reardon, NHS A&E doctor with a specialist interest in metabolic health. Published 23rd April 2026.
Most peptides being sold in the wellness market today have not been through the clinical trials required to prove they produce a meaningful effect in humans. A small number (most notably the GLP-1 class and the…
Eli Lilly is progressing its experimental obesity and type 2 diabetes drug retatrutide into Phase 3 trials, following late-stage data showing significant weight loss and metabolic improvements.
Retatrutide belongs to a new class of drugs known as triple agonists, targeting three key metabolic pathways simultaneously. In earlier trials, the drug demonstrated weight loss outcomes exceeding…



