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Vitamin B12, or cobalamin, is key for many body functions
Your results will thank you for it
Use half as much by volume for the same dose
Subcutaneous shots put B12 under the skin, in fatty tissue
Use these checks to identify a reliable GHK-Cu product: Color check: Authentic GHK-Cu powder is blue to blue-purple from the copper(II) ion in the GHK coordination geometry
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