The Ultimate B12 Deficiency Handbook: Vitamin B12 Deficiency Symptoms, Causes, and Treatments To Battle Fatigue And Take Back Your Life (Food, Diet, Nutrition, Health)

Vitamin B12 just one of the eight B vitamins.

But what does it do? It’’s essential for the smooth function of your brain and nervous system.

It also helps your body create blood.

Because of how necessary it is, a deficiency in Vitamin B12 can wreak havoc with your body and your mind.