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Micronutrients – Water-soluble Vitamins

Cobalamine

Cobalamine is vitamin B12, an essential nutrient for nerve function and red blood cell formation found mainly in animal products.

Definition

Cobalamine, also known as vitamin B12, is an essential water-soluble vitamin containing cobalt that plays a crucial role in cell division and neurological function. It is primarily found in animal-based foods and is vital for maintaining healthy nerve cells and red blood cells.

How it works

Cobalamine is a complex molecule that contains cobalt and serves as a cofactor for several important enzymatic reactions in the body. It is essential for the synthesis of DNA and the maintenance of myelin, which insulates nerve fibers. Unlike other B vitamins, cobalamine is not produced by plants but is synthesized by bacteria and microorganisms, making animal products the primary dietary source. The stomach produces intrinsic factor, a protein necessary for cobalamine absorption in the small intestine. Deficiency can lead to pernicious anemia, neurological damage, and cognitive impairment if left untreated.

Role

Cobalamine enables DNA synthesis, supports neurological function, and facilitates the formation of healthy red blood cells and myelin.

Examples

  • Beef
  • Salmon
  • Eggs
  • Dairy products
  • Fortified cereals
  • Nutritional yeast
  • Clams
  • Chicken

Recommendations

Include animal-based protein sources in your diet regularly, or consider fortified plant-based alternatives and B12 supplements if you follow a vegan diet. Those over 50 should consume cobalamine from fortified foods or supplements, as age reduces natural absorption. If you have digestive disorders or take certain medications, consult a healthcare provider about supplementation.

Key takeaway

Cobalamine is essential for nerve health and red blood cell production, making regular dietary intake or supplementation critical, especially for plant-based eaters.

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