Vitamin B5

Vitamin B5, also known as pantothenic acid, is a water-soluble vitamin that is essential for human life. It is involved in a variety of biological functions, including the synthesis of coenzyme A (CoA) and the metabolism of proteins, fats, and carbohydrates.

Function

Vitamin B5 is necessary for the synthesis of coenzyme A, a molecule that is involved in numerous metabolic pathways. CoA is essential for the metabolism of carbohydrates, proteins, and fats, and is also involved in the synthesis of lipids, steroids, neurotransmitters, and hormones.

In addition to its role in metabolism, vitamin B5 also plays a role in the production of red blood cells, the maintenance of a healthy digestive tract, and the body's ability to use other vitamins, particularly vitamin B2 (riboflavin).

Dietary Sources

Vitamin B5 is found in a wide variety of foods. Good sources include meat, poultry, fish, whole grains, legumes, mushrooms, broccoli, and avocados. The vitamin is also available in dietary supplement form.

Deficiency

Vitamin B5 deficiency is extremely rare in humans, as the vitamin is widely distributed in foods. However, when it does occur, symptoms can include fatigue, insomnia, depression, irritability, vomiting, stomach pains, and burning feet.

Overdose

While there is no known toxicity associated with high doses of vitamin B5, excessive intake can lead to diarrhea and an increased risk of bleeding.

See Also

• Vitamin B
• Coenzyme A
• Pantothenic acid deficiency

Vitamin B5 Resources
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