third party tested ghk cu GHK-Cu Buy GHK-Cu (HPLC-Tested) Research Grade
Description
Bni-Schnetzler M, Schmid C, Meier PJ, Froesch ER

In fact, in my survey of 2232 people with Hashimotos, 33 percent reported that they had tested as deficient in this all-important vitamin, and 76 percent said they felt better after taking a B12 supplement

No adverse effects were reported, but rigorous, large-scale trials are lacking

Master Antioxidant for Cellular Detoxification Support*

Yes, it can complement amino acids, protein, and joint support supplements