It's one of the vitamins that the body cannot produce alone: vitamin B 12 . That's why it's important to know when you're deficient—and supplement when necessary—especially if you're a vegetarian, who are known to lack the vitamin. What is vitamin B 12 and what is it for? Vitamin B 12 is part of the larger group of B vitamins, which along with vitamin D, vitamin A, and vitamin C, are considered essential for the body to properly function.
Vitamin B 12 , also known as cobalamin, helps with the formation of red blood cells and bone marrow, the lowering of blood cholesterol levels, as well as for regular nerve function. It is also important in the metabolism of numerous molecules, thus turning nutrients into energy for the body to use, and becoming central to feeling gritty in carrying out the activities of our daily lives. It also intervenes in the synthesis of dopamine and norepinephrine, which are hormones produced in stressful situations.
Vitamin B 12 can help the body counteract stress and fatigue by increasing energy, and concentration, and improving cognitive function. Our body does not produce vitamin B 12 on its own, so it is essential to make sure you get it through either a healthy diet or supplements. The symptoms of vitamin B 12 deficiency Vitamin B 12 deficiency can either occur when there isn't enough being consumed or your body isn't properly absorbing it.
The deficiency manifests itself through a type of anemia, called pernicious anemia. Vitamin B 12 deficie.