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Certain individuals should not receive B12 injections without explicit medical clearance or should avoid them altogether
Always use methylcobalamin, not cyanocobalamin, as methylcobalamin is pre-activated and immediately available for your body to use, especially important if you have MTHFR genetic variations or methylation issues
What can cause Vitamin B12 deficiency
Anaphylaxis following a B12 injection has been documented in medical literature, particularly in patients with a sensitivity to cobalt or cobalamin compounds
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