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The 25 mg dose is the most commonly studied and has produced the most strong GH and IGF-1 elevations
Zinc deficiency: GHK-Cu requires adequate copper and zinc metabolism to function
It helps the body in absorption of Glutathione
Swisher SG , Roth JA, Nemunaitis J, Lawrence DD, Kemp BL, Carrasco CH, Connors DG, El-Naggar AK, Fossella F, Glisson BS, Hong WK, Khuri FR, Kurie JM, Lee JJ, Lee JS, Mack M, Merritt JA, Nguyen DM, Nesbitt JC, Perez-Soler R, Pisters KM, Putnam JB Jr, Richli WR, Savin M, Schrump DS, Shin DM, Shulkin A, Walsh GL, Wait J, Weill D, Waugh MK
Documented middle tier: Licensed compounding pharmacies following USP with lot-level benzyl alcohol and sterility confirmation
