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As we age, stomach acid production can decline (atrophic gastritis), which makes it harder to extract B12 from food or pills
Importantly, animals were singly housed to eliminate the exchange and cross-contamination of intestinal microbiomes, a factor that potentially biases studies with group-housed animals by minimizing microbiome variations for co-housed animals within a cohort
Even some meat-eaters dont absorb it very well (4Trusted Source, 5Trusted Source)
For severe cases, the first dose is usually 1,000 mcg given intramuscularly every day or every other day for a week or two
Compared to other forms of vitamin B12, it is easier to crystallize and more air-stable.3Cyanocobalamin is usually obtained as a dark red, amorphous or crystalline powder, orthorhombic needles, or red crystals
Independent HPLC-verified purity
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