* Standardized Extract * Dietary Supplement * Studied and Shown to Promote Vital Liver Function, Bladder and Kidney Health * Now in White Capsules * Laboratory Tested – Mason Guarantee This product is a superior quality herbal extract that has been standardized by the principle active ingredient(s) in the herb. Standardized Herbal Extracts maintain a consistent level of benefits in dose after dose. Mason Vitamins brings you the very best in herbal quality so you can feel the difference.