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The body simply cannot meet this demand through diet alone in most cases, which is why supplementation is recommended
Once its mixed with bacteriostatic water, use it within four weeks in the fridge
PMID 25195560
The AAFPs evidence-based clinical review states directly: Oral administration of high-dose vitamin B12 (1 to 2 mg daily) is as effective as intramuscular administration for correcting anemia and neurologic symptoms in patients with B12 deficiency (Langan RC, Goodbred AJ, American Family Physician, 2017)
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