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Because oral supplements are absorbed less effectively, you need to take them far more frequently than you would need an injection
These include blood concentrations of total cobalamin, holo-transcobalamin (vitamin B 12 bound to transcobalamin, one of the two carrier proteins in blood
Vitamin B12 injections are often marketed as a way to boost metabolism and aid in fat burning, but the evidence supporting these claims is limited
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
Medical Disclaimer The content in this calculator is for informational purposes only and does not constitute medical advice
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