Pregnant women: 2.6 micrograms (mcg) per day Breastfeeding women: 2.8 mcg per day Nonpregnant women: 2.4 mcg per day Best foods with vitamin B12 during pregnancy Vitamin B12 is only naturally found in animal products, like fish, meat, poultry, eggs, and dairy
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Studies show that taking them at the right time can make them work better
The NHS side-effects guidance for hydroxocobalamin, the form used in the UK, lists nausea, headache, dizziness and injection-site reactions as known effects that usually pass on their own
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