At least some pantothenic acid is found in every single food you eat, so there’s no way you can’t get enough. That’s good, because you need pantothenic acid for turning those foods into energy.
Pantothenic acid, in the form of coenzyme A, is needed for the synthesis of cholesterol and the synthesis of steroid hormones such as melatonin.
Most vitamins and minerals have established RDAs, guidelines that tell you the amount you need for basic good health. Pantothenic acid is an exception. It’s the first (but not the last) supplement without an RDA.
Some pantothenic acid is found in just about every food you eat, animal or vegetable
It is easily eliminated in the urine.
Oral contraceptives may increase the need for pantothenic acid. Supplements are usually in the form of pantothenol, a stable form of the vitamin. Supplements are also made from calcium and sodium D-pantothenate. The panthene form of pantothenic acid is a cholesterol-lowering drug used only under expert supervision.
Possible Vitamin B5 toxicity symptoms
It doesn’t appear to be toxic in large dosage, although diarrhea, digestive disturbances and water retention have been reported on dosage exceeding 10 g a day.
Taking 1,500 mg a day over an extended period may cause sensitivity to the teeth.