Kidney COP Calcium Oxalate Protectant - It Helps Prevent The Recurrence of Kidney Stones, Promotes Healthy Kidney Function Function: Supports kidney health Ingredients: Calcium oxalate Directions: Take two (2) capsules once daily Shipping: Ships within 48 hours on weekdays Shelf life: 2 years 99% slower growth of calcium oxalate stones** Five times (5X) more powerful than Chanca Piedra 5:1 extract (aka k.a. Lithotripter). Scientifically documented testing conducted by Dr. James Murray, Department of Chemistry, Immaculata College; February 2018. Study available upon request.