Testing for Vitamin B12 Levels Lab tests to assess vitamin B12 status are not as straightforward as other nutrients
As a result of a lack of this vitamin, your body has less energy and tends to feel tired more frequently
[11] In practice, the benefit of treating a true B deficiency in pregnancy, preventing anemia and neurological injury, is considered to far outweigh any theoretical risks, under the guidance of a healthcare professional
Role of Vitamin B12 in the Body Vitamin B12 helps make red blood cells that carry oxygen
NHS guidance lists common effects such as pain, swelling, or itching at the injection site and nausea
[12] Fortunately, no congenital abnormalities in humans have been directly linked to biotin deficiency, and ensuring an adequate intake (through diet or a prenatal vitamin) appears to maintain normal pregnancy outcomes