what's the v difference between b12 injections and b12 pills Injections: Are they more effective than supplements? Vitamin B12 Injections vs. Supplements:

B12 injections are ideal for those who: Have a diagnosed B12 deficiency Dont absorb B12 well from food or supplements Need fast symptom relief If you are following a vegan or vegetarian diet (since B12 is found mostly in animal products) Your provider may recommend blood testing to confirm a deficiency and tailor a dosing schedule that fits your goals

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Nausea, constipation, and diarrhea are common early on and often improve with time

Results Twenty-four articles were included in the systematic review

Do you feel sluggish