grey-market ranges cite single-digit to low-double-digit mg/day not anchored to any human data [3]
This ultra-healing peptide is partnered with a derivative of another potent regenerative peptide called thymosin beta-4 (TB4) , also known as TB-500
Daily range: 500 mcg/day either 250 mcg twice daily or 500 mcg once daily
Qiu, Z., Shu, J., He, Y., Lin, Z., Zhang, K., Lv, Sh., and Tang, D., Biosens
Over the following decades, Pickart (who passed away in 2023 at age 85) and collaborators documented GHK-Cu's effects on wound healing, collagen production, hair growth, nerve outgrowth, and inflammation, building a substantial body of evidence that the peptide functions as a systemic tissue repair signal rather than having effects limited to any single tissue type