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Watch for Signs of Copper Toxicity While GHK-Cu is generally well tolerated, overexposure to copper (especially in individuals with impaired detox pathways) can cause symptoms such as: Nausea or gastrointestinal upset Headaches Mood swings or irritability Metallic taste in the mouth If any of these symptoms occur, discontinue use and contact your healthcare provider
10.1146/annurev.biochem.69.1.881 211
Its been molecularly distilled to remove things like mercury and PCBs, and it doesnt have that unpleasant fishy aftertaste
Your doctor might suggest pausing standalone B-complex pills or high-dose biotin etc., while youre receiving these injections to avoid redundant therapy
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