These capsules are designed specifically to treat nutritional deficiencies associated with pyroluria. Each capsule contains 25mg elemental zinc (from Zinc picolinate), 25mg pyridoxine (vitamin B6) and 5mg pyridoxyl-5-phosphate (activated Vitamin B6). They are also available in a lozenge form for those that suffer from malabsorption problems. The doses of each ingredient can also be tailored to suite your individual requirements. Contact us if these options apply to you.