vitamin b12 injection administration Dosage for Adults: Guidelines How to Inject Vitamin B12

It depends on the insurance and the patients condition

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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Improves Low Sperm Count: Research shows that vitamin B12 may improve the functionality of reproductive organs and decrease levels of oxidative damage to sperm, thereby impacting sperm count