Vitamin B5 (di--alanine-13C6 15N2) calcium salt is also known as calcium pantothenate-[13C6 15N2]. Vitamin B5 (a B vitamin) also known as pantothenic acid is a water-soluble vitamin found in animal and plant products. Vitamin B5 deficiency causes dyslipidemia (abnormal levels of lipids in the blood) and dermatitis.