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PMC 3263939
Standard B12 Intramuscular Dose of 1000 mcg The typical dose of Vitamin B12 is 1000 mcg, given at specific times
It also works in tandem with glutamate, a neurotransmitter that the body converts into GABA
Research demonstrates that supplementation can increase lymphocyte proliferation by 60% and NK cell cytotoxicity by up to 400% positioning it as a foundational compound for longevity, immune resilience, and systemic recovery
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