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can a b12 injection give you a headache Vitamin Side Effects and Safety Sublingual B12 vs. B12 Injections:
Description
doi:10.11604/pamj.2021.38.237.20967

Long-Term Benefits of Regular B12 Injections While immediate benefits are often noticeable, the long-term advantages of maintaining adequate B12 levels through regular injections can include: Improved Cardiovascular Health: B12 helps reduce homocysteine levels, a risk factor for heart disease

B12 and Intrinsic Factor Intrinsic factor is a protein secreted by the cells of the stomach lining

People taking metformin, the common diabetes drug, are known to develop B12 deficiency as well, and people who avoid animal products can be deficient
