Phosphopantothenic acid is an amidoalkyl phosphate that is the 4-phosphate derivative of (R)-pantothenic acid. Phosphopantothenic acid is not permeable to cell membranes due to its anionic character, consistent with the observation that systemic administration of Phosphopantothenic acid does not restore CoA levels in cellular and mouse models

Pantothenic acid (known as Vitamin B5) is a water-soluble member of the B-vitamin family that is converted into 4’-phosphopantetheine, which is then converted to co-enzyme A (CoA) via adenosine triphosphate. Pantothenic acid regulates epidermal barrier function and keratinocytes differentiation via CoA metabolism. Pantothenic acid is incorporated into co-enzyme A and protects cells against peroxidative damage by increasing the level of glutathione. A recent feasibility study has also shown that daily oral supplementation of a nutritional agent containing pantothenic acid for 8 weeks was feasible and safe. It was discovered the different pharmacological implementation of pantothenic acid, such as treatment of acne, obesity. Existed some reports, mentioned efficacy using pantothenic acid in systemic lupus erythematosus. Significant reduction in morning stiffness, degree of disability, and severity of pain was reported for persons taking pantothenic acid in case of osteoarthritis and rheumatoid arthritis. Vitamin B5 may increase the effects of a group of drugs called cholinesterase inhibitors, which are used to treat Alzheimer's disease. That might lead to severe side effects.

PANTOTHENIC ACID, (±)- is a racemic mixture of D-pantothenic acid and L-pantothenic acid. Only dextrorotatory isomer, also called vitamin B5, possess biological activity. Tht levorotatory form is an antagonist of D-pantothenic acid as was shown in animal experiments.