Calcium Pantothenate also known as Vitamin B5 is a source of Pantothenic Acid that contributes to mental performance and reduction of tiredness and fatigue. Pantothenic Acid also contributes to normal energy-yielding metabolism, synthesis and metabolism of steroid hormones, Vitamin D and some neurotransmitters. HealthAid prolonged release Calcium Pantothenate is specially formulated to give you a steady dose throughout the day.