What is Vitamin B12?Vitamin B12, also known as cobalamin, is one of the 8 B-complex vitamins.B-complex vitamins are extremely important in the human body as they are responsible for helping the body covert food (carbohydrates, fats, protein) into energy. They also aid in the healthy functioning of the nervous system, and your body’s skin, hair, eyes, and liver.Vitamin B12 is required for proper red blood cell formation, neurological function, and DNA synthesis. It is known to play a key role in the proper functioning of the brain and nervous system.It is used in the metabolism of every single cell in the human body.How Does Vitamin B12 Work?It is a water-soluble vitamin, meaning that it dissolves in water. After ingestion, it quickly dissolves into the bloodstream to work its many benefits throughout the human body.Vitamin B12 aids in the synthesis of myelin, the protective fatty substance that surrounds nerve cells. Helping to protect and ensure proper functioning of the nerve system in the brain and around the body.It promotes DNA synthesis, helping cells create copies of one another—especially with the formation of new red blood cells in the body.It ensures the proper functioning and cellular metabolism of every cell in every system in the human body.Why should you take Vitamin B12?Improves moodImproves energy levelsIncrease memoryPromotes all body systemsBoosts enzyme productionAids in DNA synthesisPromotes hormonal balanceHow to use Vitamin B12?You can obtain vitamin B12 naturally through eating animal products.B12 has a low bioavailability in supplements, meaning that when taking a 500 mg pill of B12, only about 10 mg of that pill will be absorbed in the body.This is okay though as the daily recommended values of vitamin B12 for healthy adults is around 5 mg per day.Side effects of Vitamin B12?There are many negative side effects associated with not getting enough Vitamin B12 in your body.The side effects of having too much vitamin b12 in your body are relatively null. The vitamin is nontoxic, and any excess amounts of it will most likely just be passed out of your body as waste.