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GHK-Cu stands for glycyl-L-histidyl-L-lysine bound to copper (II) a naturally occurring tripeptide complex first identified in human plasma in the 1970s
This creates a concentration of 2.5mg/mL (2,500mcg/mL)
The National Institute of Health recommends about 2.4 micrograms of Vitamin B12 per day for anyone over the age of 14, with slightly higher recommendations if youre pregnant (2.6mcg) or lactating (2.8mcg)
Understanding these mechanisms is critical before evaluating specific protocols
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