Pantocaps contains pantothenic acid, more commonly known as vitamin b5. Pantothenic acid is part of the b-complex vitamins essential for growth, reproduction, and normal physiological functions. It plays an essential role in the synthesis of lipids, the production of steroids and neurotransmitters, and is a key to energy metabolism. It aids in supporting healthy serum lipid levels, energy and stamina. For good results, try this great product.