vitamin b12 injection vial B-12 Injection, 3,000 mcg/mL at Tractor Supply Co Cyanocobalamin (B12) Injection 1000 mcg/mL,

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B Complex Vitamins Promote healthy cell turnover and improve hydration

Although rare, adverse effects of high-dose vitamin B12 have been reported, including allergic reactions such as fever, rash, itching, hot flushes, dizziness, and nausea, across all cobalamin forms and administration routes (Caballero et al., 2007)

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Then, they switch to a monthly dose

Women of reproductive potential should be counseled about these risks and should use effective contraception during treatment