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Because the B12 shot bypasses the first-pass breakdown by the liver, the B12 hits your bloodstream almost immediately
If youre vegan or vegetarian, some cereals are a great source of vitamin B12
In the most basic sense, it means that you have enough B12 floating around in your body, but you arent activating the B12 to be used
The peptide sequence, alanine-histidine-lysine bound to copper, was chosen because of how it interacts with growth factor receptors and anti-apoptotic pathways
The most chemically complex of all the vitamins, methylcobalamin is a water-soluble, organometallic compound with a trivalent cobalt ion bound inside a corrin ring which, although similar to the porphyrin ring found in heme, chlorophyll, and cytochrome, has two of the pyrrole rings directly bonded
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