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why do i feel worse after my b12 injection Why Do I Feel Worse
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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)

Disclaimer: This product is intended for laboratory research only

Regulatory Note 5-Amino-1MQ is sold for laboratory research use only
But update the diagnosis once the cause is confirmed.
