Vitamin B12 is an essential nutrient that's often overlooked. Also known as cobalamin, vitamin B12 helps your body produce vital red blood cells and boost your energy levels, among other things.

Vitamin B12 plays a huge role in supporting your health – from muscles, mood and energy to hair growth and well-functioning cells, it’s a vital component – but many people don’t get enough ...

B12 shots can have mild side effects like diarrhea and swelling at the injection site. Vitamin B12 injections are an effective way to treat a deficiency, but they're not for everyone. In fact ...

You cannot overdose on vitamin B12 because any excess you simply pee out. If you get b12 shots, you may experience side effects like dizziness, nausea, and fatigue. It is possible to have elevated ...

Read on to find out what happens with a vitamin B12 deficiency, and your options for dietary supplements and injections. You can find B12 in four chemical compounds: methylcobalamin ...