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We review your labs, your goals, and your current health picture before prescribing anything
The body relies on B12 to make red blood cells and keep the nervous system working, which is why some people need these injections more often
B12 pills have to go through your stomach and intestine, get absorbed through the intestine and then enter the bloodstream
Absorption rate compares favorably for both injectable methods over oral supplements, though IV infusions hold an edge
PMC 3847746
Severe deficiency has been linked to low birth weight, pre-term birth, and megaloblastic anemia
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