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Absorbed vitamin B12 is transported via specific B12 binding proteins, transcobalamin I and II to the various tissues
Other metabolic implications of vitamin B 12 deficiency include the accumulation of homocysteine and methylmalonic acid, which might contribute to the neuropathologic features of dementia (63)
They bypass the gut entirely, which is crucial if absorption is impaired
And what is the shelf life of each bottle after using it for the first time
It differs from the unmodified 176-191 sequence by a single oxygen atom 1,815.1 versus 1,799.1 g/mol a difference that cannot be resolved by HPLC purity analysis alone
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