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One way to get your energy back up fast is with a B12 injection
Intrinsic factor deficiency causes pernicious anemia, which may be associated with subacute combined degeneration of the spinal cord
Neither is approved for human use by the FDA or any other major regulatory body, and the findings below come from laboratory and animal studies
During intense exercise, your body experiences increased metabolic demands that vitamin B12 helps address through multiple pathways
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