Pantothenic acid is only mildly acidic, but is often available in combination with calcium to neutralize its acidity and increase its storage stability.nContains Essential B Vitamin For Optimal HealthnContains 44mg of CalciumnLife Extension Vitamin B5 500 Mg 100 Vegetarian Capsules plays a role in the synthesis of hemoglobin, steroid hormones, neurotransmitters, and lipids. It is the most important component of coenzyme-A, which assists in several metabolic pathways and is necessary for the transfer of fats to and from cells.