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doi:10.1002/prp2.539
The study employed BlandAltman plot analyses to evaluate the precision and agreement between the two protocols (Fig
Synthetic Cyanocobalamin for Reliable Supplementation The active ingredient, cyanocobalamin, is a laboratory-produced form of vitamin B12 that works in the body the same way as naturally occurring vitamin B12 found in fish, seafood, dairy products, and egg yolk
It naturally occurs at a concentration of 200 ng/mL (107 mol/L) by 20 years of age
Some users optimize at 1%, others at 3% or higher
Loren Pickart, who pioneered much of the research, suggested that GHK-Cu levels decrease significantly with age (1), although the exact extent of this decline varies across studies
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