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NCI Dictionary of Cancer Terms

vitamin B5  listen  (VY-tuh-min ...)

  A nutrient in the vitamin B complex that the body needs in small amounts to function and stay healthy. Vitamin B5 helps some enzymes use foods and make many substances used in the body and protects cells against damage from peroxides. It is found in almost all plant and animal foods. Vitamin B5 is water-soluble (can dissolve in water) and must be taken in every day. Also called pantothenic acid.