Vitamin B12 is the only B vitamin your body stores in quantity enough for three to five years. It is vital for the production of healthy red blood cells, genetic DNA material, and for the proper function of the nervous system. It helps prevent anemia and increases your energy. To help your body get the most out of vitamin B12, you need to combine it with the mineral calcium during absorption. This micronutrient promotes growth and increases appetite in children.
Good for These Symptoms:
Signs of Deficiency: Deficiency generally results from inability to absorb Bl2.
RDA: 3 mcg
Optimal Level: 100 mcg (Note: dose in micrograms, not in milligrams like the other B vitamins)
Maximum: 100 mcg