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It also noted that as B12 deficiency increased, so too did insulin resistance
Only mature red blood cells produce haemoglobin, the oxygen carrying metalloprotein (iron-containing protein) that distributes oxygen to all cells of the body
Absorption rate compares favorably for both injectable methods over oral supplements, though IV infusions hold an edge
Had no side effects
If youre taking oral vitamins you may want to consider a B12 injection, particularly if youre experiencing any of the symptoms of a deficiency
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