Solgar’s P-5’-P (Pyridoxal-5’-Phosphate) is the bioactive, coenzyme form of Vitamin B6. Vitamin B6 must be converted in the body in the liver into the active form Pyridoxal 5-Phosphate. For individuals with have poor liver function or malabsorption issues they may consider the active form. P5P is a co-factor in more than 150 enzymes and can help support the nervous system, muscle growth and repair, mood regulation, sleep regulation, cognitive function, brain health and magnesium utilization. Solgar’s premium-quality Vitamin B products and is specially coated to protect against degradation from stomach acids. Vegan friendly.