What Happened, in Order On April 22, 2026, FDA removed GHK-Cu (except for injectable routes of administration) from Category 1 of the 503A bulks reference list
Medically Reviewed by Mariam Al-Hajaj Pharmacist / Clinical Specialist GPhC: 2232929 Mariam has been working at Simple for just over 6 months
10.1016/j.ypmed.2013.09.023
GHK-Cus ability to repair DNA damage and reduce inflammation also makes it ideal for post-procedure recovery, acne scars, and photodamage
This approach can help simplify research protocols, improve consistency, and reduce preparation time while maintaining accurate peptide ratios throughout a study
Most users find the 0.25 to 0.5 mg daily range provides optimal results without diminishing returns from higher doses