Pyridoxal-5′-phosphate (P5P) is the active metabolite of pyridoxine and is the predominant form of plasma B6. Vitamin B6 contributes to normal functioning of the nervous system and psychological function. Vitamin B6 contributes to the reduction of tiredness and fatigue. Vitamin B6 also contributes to the regulation of hormonal activity.provides pyridoxal-5′-phosphate (P5P), the ‘active’ form of vitamin B6contributes to normal functioning of the nervous system and psychological functioncontributes to the reduction of tiredness and fatiguecontributes to normal homocysteine metabolismcontributes to the regulation of hormonal activity IngredientsHypoallergenic plant fibre (microcrystalline cellulose), pyridoxal-5′-phosphate, ascorbyl palmitate. Vegetarian capsule (hydroxypropyl methyl cellulose). Directions For UseAs a food supplement, take 1 capsule daily, with meals, or as directed by a healthcare professional. PrecautionsIf you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use. Use only if safety seal is intact. Food supplements should not be used as a substitute for a varied diet. Do not exceed the stated daily dosage. Keep out of the reach of young children.