why do i need b12 injection Benefits of Injections for Optimal Health The B12 Shot: What Every

The supplement dose (typically 500 to 1,000 mcg) is far above the RDA because oral absorption of B12 is limited to roughly 1 to 2% of the dose at high intakes, via passive diffusion

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Short answer: If you can absorb B12, high-dose oral B12 (1,0002,000 mcg/day) is as effective as intramuscular injections for normalizing levels in most people (AAFP

Sheep, Goats, and Cattle Sheep and other large livestock such as goats and cattle need B12 for normal growth

The injection is usually given into the tissue around the stomach or arms, with minimal discomfort as it's injected just under the skin