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Man-Made Form : Vitamin B12 injections are a man-made form of the vitamin
This designation allows legal sale while technically prohibiting human use
One study in mice that compared GHK to GKH-Cu to copper alone noted that GHK-Cu was more effective than GHK alone in terms of antioxidant effect, and copper alone produced no benefit
They are supplied strictly as reference materials for in-vitro laboratory research and are not medicines, foods, supplements or cosmetics
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