Pantothenic Acid is a form of Vitamin B5, an essential vitamin used in several important body functions such as the Kreb cycle and metabolic function. This is a water-soluble calcium salt of Vitamin B5 that is present in nearly all plant and animal tissues. This product is derived from Calcium Pantothenate which contains 92% pantothenic acid and 8% calcium. Vitamin B5 may help provide energy, and fortifies the joints.* It also supports healthy brain function and promotes healthy mood.*