Rena-Zyme™ supports the kidneys with a nutritional-herbal complex.* This formula uses a proprietary blend that includes goldenrod, bearberry, and stinging nettle that is designed to support the urinary system.* Care was taken to include a combination of cations and anions in both monovalent and polyvalent forms to support the electrolyte environment.* This formula further includes high-potency vitamin B6 and is a good source of magnesium. Take 1 capsule 3 times a day with meals, or as directed by your healthcare professional.