b12 injection com Cyanocobalamin (B12) 1000 mcg/mL, Multiple Dose Vial 30 mL Vitamin B12

However, in very rare cases, extremely high doses of B6 can cause nausea or a temporary decrease in milk supply

Hypothesis to be tested In Nepalese women, daily supplementation of 50 g vitamin B 12 from early pregnancy, not later than week 15, and until 6 months postpartum, improves linear and ponderal growth as well as cognitive, language and/or motor scores of the Bayley Scales of Infant and Toddler Development, Third Edition (Bayley-III) in their infants

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If supplementation is responsible, your doctor may recommend reducing or stopping non-essential B12 intake, with repeat testing after an appropriate interval (typically 2-3 months, or longer if you've had recent injections or have kidney disease)