Pantothenic acid is needed for the metabolism of carbohydrates, fats and proteins.
It functions as part of the enzyme systems (Coenzyme-A).
This vitamin is found in all plant and animal tissues. The richest source being liver, kidney, yeast, egg, wholegrain cereals and fresh vegetables.
The daily requirement for this Vitamin is not known. But it has been suggested that’ about 10 mg. per day would be adequate for adults.
Biotin is a water soluble substance that can be synthesized in the intestines.
This Vitamin appears to be an essential part of certain coenzymes, involved in the metabolism of carbohydrates, fats and proteins.
The richest food sources of Biotin are kidney, liver, eggs, milk, fresh vegetables and some fruits.
The requirement of biotin has not been established. Probably 1.5 to 3 mg. per day will meet the needs of an adult.
Biotin is widely distributed in foods and also synthesized in the intestinal tract. So biotin deficiency is generally not observed in man.