b12 injections vs pills Vitamin vs. Supplements: Which Works Best? Vitamin B12 Injections vs. Supplements:

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Pernicious Anemia: Lifelong Replacement Strategies Pernicious anemia makes it hard to absorb vitamin B12

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Side effects are usually minor, but if your ankles start to swell or you have an allergic reaction or trouble breathing, call your doctor

Some rely on extra coffee or energy drinks for a quick lift, but those fixes fade fast and can disrupt sleep

Discussion with the Reclassification Alliance The issue of self-administration of vitamin B12, via reclassification, has been raised and we will discuss further in the Reclassification Alliance