Record 01 Week of 5 October 2026 · REGULATION Six peptides recommended for the 503A bulks list · REGULATION From Category 2 to review: how twelve peptides came off the restricted list · REGULATION FDA proposes to end 503B compounding of semaglutide, tirzepatide and liraglutide · TRIALS Retatrutide: four Phase 3 readouts in 2026 · TRIALS Orforglipron approved; the oral GLP-1 question · PAPERS GLP-1 drugs recruit hunger neurons to sustain fat loss, Yale study finds · PAPERS A peptide–drug conjugate that hits five targets, in mice · PAPERS What GLP-1 users do differently: activity, bone and persistence · EVIDENCE BPC-157: what the human record contains · PUBLIC AND POLICY A public-health school explains the peptides in the feed · PUBLIC AND POLICY The gray market and the state patchwork · INDUSTRY Who makes peptides: capacity and ownership moves · Record 01 Week of 5 October 2026 · REGULATION Six peptides recommended for the 503A bulks list · REGULATION From Category 2 to review: how twelve peptides came off the restricted list · REGULATION FDA proposes to end 503B compounding of semaglutide, tirzepatide and liraglutide · TRIALS Retatrutide: four Phase 3 readouts in 2026 · TRIALS Orforglipron approved; the oral GLP-1 question · PAPERS GLP-1 drugs recruit hunger neurons to sustain fat loss, Yale study finds · PAPERS A peptide–drug conjugate that hits five targets, in mice · PAPERS What GLP-1 users do differently: activity, bone and persistence · EVIDENCE BPC-157: what the human record contains · PUBLIC AND POLICY A public-health school explains the peptides in the feed · PUBLIC AND POLICY The gray market and the state patchwork · INDUSTRY Who makes peptides: capacity and ownership moves ·

Topic primer

Skin and tissue

The one area where a compound on this site has decades of human use, almost all of it topical. The open questions are about injectable routes and about materials science rather than pharmacology.

TIMELINE

Sep 2023

Injectable GHK-Cu placed in Category 2.
1 Oct 2026

Carbohydrate Polymers hydrogel study references GHK-Cu in a diabetic-wound context.

Skin and tissue

TIMELINE

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