Medically reviewed by Erika Prouty, PharmD Key Takeaways Vitamin B12 is generally safe, but rare reactions like allergies or ...

Self-medicating with vitamin B12 without a doctor’s guidance is not a good idea. Even though B12 is water-soluble (meaning excess amounts are usually flushed out in urine), taking more than your body ...

Vitamin B12 is important for the health of your nervous system and your red blood cells. It can be found in many animal products and fortified foods. In the United States, about 6% of people under age ...

Dr Chawla shares the causes and symptoms of vitamin B12 deficiency and explains why taking supplements on your own is not advisable. In an age where supplements trend on social media and popular ...

If you're not getting enough vitamin B12 from food, a supplement can help fill the gap. Here's what experts recommend for taking it.

If you’re enrolled in Medicare, these shots will be covered by Part B if you have them at a doctor’s office or a clinic or Part A if you get them while hospitalized. If you have vitamin B12 deficiency ...

Children need vitamins including B12 to help their brains and bodies develop and grow. Not getting enough vitamin B12, which is also called cobalamin, can make children feel weak and tired and slow ...

Pernicious anemia is an autoimmune condition in which the body cannot absorb vitamin B12 properly. A person with pernicious anemia requires lifelong vitamin B12 supplementation. Vitamin B12 is ...

Vitamin B12 is an essential nutrient that must be obtained through diet or a supplement. Having too little B12 can cause fatigue, anemia, and neurological problems. Vitamin deficiencies may sometimes ...