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…
CJC-1295 has one of the strongest published human clinical records of any wellness-market peptide, a Phase 2 trial that was discontinued after a participant death, and a December 2024 FDA advisory committee vote against allowing it into the regulated compounding system. The gap between the science and the regulatory verdict is where its current safety…



