The fourth component, GHK-Cu, will be voted on in a subsequent February 2027 meeting HHS has announced that GHK-Cu is expected to return to Category 1 (after being moved to Category 2 in September 2023), which would restore compounding access for injectable formulations. The recommendations of the PCAC are non-binding but noteworthy
For 50 mg vials, 3 mL bacteriostatic water yields approximately 16.7 mg/mL concentration
This route offers several advantages: it is easy to perform, relatively painless with proper technique, and provides good systemic absorption
The GLP-1 and hair loss guide covers another commonly discussed side effect associated with rapid weight loss from GLP-1 agonists, including retatrutide
Arq Gastroenterol 54:177182
Basic concentration formula Concentration equals peptide amount divided by water volume