vitamin b12 injections in pregnancy safety Pregnancy: What You Need to Know – NaturoBest Are B12 Shots Safe? Royal
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These side effects can vary in severity and may include nausea, vomiting, headache, dizziness, and injection site reactions such as pain, redness, or swelling

Cold Spring Harb Perspect Biol (2019) 11(11):a035071

Cyanocobalamin is the man-made version of B-12

These processes include DNA synthesis, red blood cell formation, energy production, nerve cell health, and general neurological function