A lack of certain B vitamins can also cause anemia. Two of the most common culprits are folic acid (b9) and vitamin b12. In this type of anemia the number of red blood cells is diminished and the cells present become larger. The lower numbers and change in red blood cells result in a decreased amount of oxygen to the body. These deficiencies can be seen together or as separate issues.
Folic acid deficiency can cause low energy, pale skin, lack of appetite, irritability, diarrhea and...

