Vitamin B-12 (Cobalamin)
Function
B12 works with folic acid to regulate the formation of red blood cells so it is important in the prevention of anemia. It also helps iron utilization and is required for proper digestion and absorption of food. Vitamin B12 helps the body synthesize protein and metabolize fat and carbohydrates. Also critical to the nerves and the protective covering that protects them. Vitamin B-12 is also linked to the production of neurotransmitters and assists in memory and learning.
Sources
Brewer’s yeast, clams, eggs, herring, kidney, liver, mackerel, milk, and dairy products. Vitamin B-12 is very limited in vegetables and only found in a few herbs.
Deficiency
Inadequate intake can cause malabsorption problems and digestive disorders. Other symptoms are bone loss, chronic fatigue, constipation, depression, eye disorders, and headaches.