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Food and Drug Administration for safety, effectiveness, or quality
They might help you if: You already know you have a B12 deficiency
Every batch is produced with a focus on identity, purity and consistency, providing researchers with a reliable capsule format for laboratory and analytical research applications
Because that figure comes from rodent research, many start patients at the low end (about 5 mcg/kg or a flat 250 mcg) and adjust over one to two weeks
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