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The vitamin is injected deep into the muscle, where it can slowly release into your bloodstream
For a 250mcg dose: 250 2,500 = 0.10 mL
The 28-day limit is therefore a safety margin that accounts for cumulative contamination risk across multiple punctures, not a reflection of preservative chemical degradation
The injected hydroxocobalamin is transported via the bloodstream to tissues throughout the body, where it acts as a cofactor for two critical enzymatic reactions: the conversion of homocysteine to methionine and the conversion of methylmalonyl-CoA to succinyl-CoA
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The process is building eumelanin in cells that preferentially produce pheomelanin
