Adding vitamin C injections boosts collagen synthesis, increases skin elasticity, smooths fine lines, and provides a youthful glow
However, as reassuring as all of this is, there are a couple of things to remain mindful of: Copper toxicity Because GHK-Cu contains copper, it does pose a potential risk of copper toxicity,12 the symptoms of which include abdominal pain, vomiting, chest pain, chills, cough, fever, general weakness, anemia, burning sensations, tremors, and a metallic taste in the mouth.13 The risk is small, as the concentrations of copper in the peptide are typically well within safe parameters, but its good to be aware of it
218 L Lactic acid, a product of glycolysis, can upregulate the expression of the ferroptosis-related proteins GPX4 and FSP1 and increase the levels of NADH, NADPH, and GSH, thereby inhibiting ferroptosis
2024 Jun;66(2):174-187