Vitamin B12 (Cobalamin)

Definition

Vitamin B12, also known as cobalamin, is a vital nutrient that helps keep the body's nerve and blood cells healthy and helps make DNA, the genetic material in all cells.

Scientific / Technical Definition

Vitamin B12 (cobalamin) is a water-soluble vitamin that plays a crucial role in brain function and the production of red blood cells. It is involved in the metabolism of every cell of the human body, particularly affecting DNA synthesis, fatty acid metabolism, and amino acid metabolism. Vitamin B12 is unique among vitamins in that it contains a metal ion, cobalt, and is consequently with which all forms of B12 are known as cobalamins.

Benefits

• Helps in the production of red blood cells and prevents anemia.
• Supports bone health and prevents osteoporosis.
• Improves mood and symptoms of depression.
• Supports healthy hair, skin, and nails by supporting cell reproduction.
• Maintains brain health and may protect against Alzheimer's disease.

Examples

• Beef, liver, and other meats
• Fish and shellfish, especially clams
• Dairy products, like milk, cheese, and yogurt
• Fortified cereals and nutritional yeasts
• Eggs

Additional Information

• Importance: This nutrient is important for the production and maintenance of new cells, including making DNA and RNA. Its role is vital in the formation of myelin, a protective covering around nerves.

Related Terms

• Vitamin B complex
• Anemia
• Nervous system
• DNA synthesis

References

• Vitamin B12: Fact Sheet for Health Professionals
• Effects of Vitamin B12 on the Performance and Wellness