AHK-Cu should not be grouped with metabolic incretin peptides, GH-axis peptides or neuro-regulatory peptides
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[6] [3] [10] A mild deficiency may not cause any discernible symptoms, but moderate deficiency can cause various symptoms, such as feeling tired, lightheadedness, headaches, cold intolerance, pale skin, sore tongue, upset stomach, loss of appetite, hair and skin color changes, numbness or tingling (pins and needles) of the fingers and toes, and tinnitus, and vision, cognitive or psychological problems
Orders arrive when expected and the vials are clearly labeled. D.H., Research Client When I have a question about an order, I get a clear reply the same day
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