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Even some meat eaters dont absorb it very well (4, Unlike other vitamins, the absorption of vitamin B12 depends on a protein produced in your stomach, called intrinsic factor
This process can compromise physical performance, slow down metabolism, and reduce overall resilience
One study found that high doses of oral B12 (1,000 mcg daily) could provide adequate absorption even in the presence of intrinsic factor deficiency
Vitamin B-12 injections are administered to elevate B-12 levels in individuals who are deficient
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The dosage can be gradually increased if no discomfort occurs
The Functional Medicine Difference When you receive a B12 injection at a pharmacy, it is typically administered as a standardized protocol
