ghk-cu plasma levels decline with age Meet GHK-Cu. The ingredient your skin has been waiting for 🧪 Copper peptide is bioidentical to compounds your skin naturally produces and as age, so does collagen, elasticity, and GHK-CU Making Skin Worse: Complete

Any combined plan should be created and supervised by a licensed provider

However, paradoxical pro-angiogenic effects (GHK-Cu drives VEGF and angiogenin expression) may limit oncology applications, consistent with its primary role in wound healing promotion

Effective systemic dose in pigs of 1.1 mg/kg (~75 mg in humans) showed no adverse effects, representing approximately 300-fold below toxic dose

However, unfortunately, vitamin B12 deficiency is somewhat common, especially in the elderly, strict vegans, and people on antacid medications, so I dont mean to downplay the importance of vitamin B12 or the B vitamins more generally