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Pernicious anemia, one of the causes of vitamin B12 deficiency, is an autoimmune condition that prevents your body from absorbing vitamin B12
The answer is that it really depends, but in my experience, MOST patients are fine to use subcutaneous injection-sized needles
But stick with us
Intrinsic factor binds to vitamin B12, allowing it to enter the bloodstream
In contrast, cyanocobalamin is a synthetic form that requires conversion into its active form methylcobalamin before it can be utilized
This dose was chosen based on a previous dose-escalation study and subsequent work demonstrating its efficacy to drive weight loss in a short period of time 8
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