By Ken Adams, M.D. and Scott E. Conard, M.D.
Sources and Physiologic Functions
Liver, kidney, muscle meats, eggs, cheese, milk, and fish are excellent sources of vitamin B12. It is not found in plant foods or in yeast. Fermented foods such as soy sauce, tempeh, and miso, and fortified foods such as soymilk are also good sources of this vitamin.
Continue Reading » Vitamin B12 (Cyanocobalamine) - When, How, and Why to Supplement
Anemia is a condition in which your blood does not carry enough oxygen to the rest of your body because of a shortage of health red blood cells. This is most commonly caused by a shortage of iron in the body, which is needed to make hemoglobin. The iron containing protein that gives blood the its red color, hemoglobin is the actual component of the blood cells which carries the oxygen.
Continue Reading » What is Anemia? Its Causes, Symptoms, Diagnoses and Treatments
Vitamin B12 is essential for DNA synthesis and for cellular energy production. This review aims to outline the metabolism of vitamin B12, and to evaluate the causes and consequences of sub-clinical vitamin B12 deficiency. Vitamin B12 deficiency is common, mainly due to limited dietary intake of animal foods or malabsorption of the vitamin. Vegetarians are at risk of vitamin B12 deficiency as are other groups with low intakes of animal foods or those with restrictive dietary patterns. Malabsorption of vitamin B12 is most commonly seen in the elderly, secondary to gastric achlorhydria. The symptoms of sub-clinical deficiency are subtle and often not recognized. The long-term consequences of sub-clinical deficiency are not fully known but may include adverse effects on pregnancy outcomes, vascular, cognitive, bone and eye health.
Continue Reading » Vitamin B12 In Health And Disease