Pantothenic acid, also called vitamin B5, is a water-soluble vitamin. It cannot be produced by the human body and must therefore be ingested with food. This vitamin is necessary to synthesize cholesterol, produce red blood cells, maintain a healthy digestive tract and breakdown fats and carbohydrates. A lack of pantothenic acid can cause tiredness, immunodeficiency and depression. vitamin b5 chemical structure https://www.creative-diagnostics.com/food-analysis/tag-pantothenic-acid-47.htm