size needle for b12 injection best vitamin injections A Guide to the Needles what gauge needle to use B12 IM Needles with Syringe

There is no consensus on the tolerable upper intake level of vitamin B12 or if too much is toxic

But a better choice is combining adenosylcobalamin and hydroxocobalamin, a precursor of vitamin B12 that benefits the myelin nerve sheath and supports mitochondrial health

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To sum up, what happens if you inject B12 into fat rather than into muscle

While oral substitutes have shown some effectiveness according to studies, their ability to match the efficacy of intramuscular vitamin B12 remains uncertain

High-dose oral supplements (often 10002000 micrograms daily) or intramuscular injections (typically 1mg hydroxocobalamin) used to treat pernicious anaemia or deficiency states can temporarily elevate serum levels