is b12 injection prescription only Vitamin Dosage for Adults: Guidelines B12 - Boost energy +

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Vitamin B12 Deficiency and Mood Disorders: A deficiency in vitamin B12 can contribute to a variety of neurological and psychiatric symptoms, such as mood changes, irritability, and even depression

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Bariatric surgery can impact the bodys ability to absorb nutrients, so a high supplemental dose of vitamin B12 may be needed to maintain healthy levels.*

[106] Other drugs [edit] Certain medications can decrease the absorption of orally consumed vitamin B 12 , including colchicine, extended-release potassium products, and antibiotics such as gentamicin, neomycin and tobramycin