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Description
This is the inactive form of vitamin B12 that requires the body to expend more energy to convert and remove a cyanide molecule than other forms of B12

However, GHK-CU has more research support and may be gentler for sensitive skin

(Uddin et al., 2017) reported that NAD + supplementation upregulates mitochondrial function, enhancing metabolism and promoting weight loss

Its status varies depending on country, purpose of use, and sports organization regulations
