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Description
Vitamin K

Methylcobalamin (Methyl) B12 is natural, while Cyanocobalamin is created in a lab

This product is supplied strictly as a research chemical / laboratory reagent for in-vitro and non-clinical laboratory research

It's not

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Listing what are the facial signs of b12 deficiency (pallor, hyperpigmentation) and other symptoms of b12 deficiency.
