Vitamin B12

B12 as it is more commonly called, it one of the most important nutrients responsible for our body's DNA replication. It also helps us build nerve cells and keep our nervous system strong and healthy. Food sources rich in B12 include nuts, poultry, shellfish, milk, real cheese, yogurt, eggs, shellfish, liver and kidney meats, and soy milk. Supplementation with Vitamin B12 may be an advantage or even necessary in order to maintain a good level of health.