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Vitamin B12 and Sleep: Does It Help You Rest Better? | Performance Lab®

B12 (typically cyanocobalamin or methylcobalamin) is placed directly into the muscle, so it is reliably absorbed into the bloodstream and carried to the cells that need it

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Size:1000 mcg/ml - 30 ml x 4

When serum B12 falls between 150 and 399, the same NIH guidance calls for a follow-up methylmalonic acid test (MMA) to help confirm what’s going on