GHK-Cu provides antioxidant and anti-fibrotic activity by modulating inflammatory cytokines, stimulating collagen synthesis, and promoting copper-dependent enzymatic repair
This includes research-grade peptides, which state on the label they're not for pharmaceutical use
10.1038/s41398-018-0335-z 249 RossignolD
The headline results, as released in the Eli Lilly investor communication and aligned with the study design paper by Giblin and colleagues published in Diabetes, Obesity and Metabolism in 2026, are unusually strong for a Phase 3 obesity trial: Retatrutide 12 mg: mean body-weight reduction of 28.7 percent, roughly 32.3 kg (about 71.2 lbs) from baseline
Already, that category includes a wide range of ingredients vitamins, minerals, herbs and more that can be sold on promises to support general health and wellness, as long as they dont claim to treat specific conditions