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Depending on the individual, they start working within 48 to 72 hours of the first dose, but they might take three months to completely correct a B12 deficiency
This product is supplied exclusively as a research-grade laboratory reagent and is not intended for human or animal use
Everyone needs vitamin B12 + the best way to supplement B12 is by intramuscular (IM) injection
Massage the Injection Area Gently massaging the area where the injection was administered can help disperse the vitamin throughout the body and alleviate any tenderness
Prior authorization : Some plans need approval before starting certain injections
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