A study published by the Journal of Urology concluded that supplementing with potassium-magnesium citrate for up to 3 years prevented the reoccurance of calcium oxalate stones by 85%. Our highly bioavailable Potassium (K-Citrate) and Magnesium (Mag-Citrate) are combined into one capsule. Potassium is present in its highest potency allowable in a solid form as a nonprescription item, 99 mg elemental. Magnesium is provided at 125 mg per capsule elemental.These statements have not been evaluated by the Food and Drug Administration (FDA). These products are not meant to diagnose, treat or cure any disease or medical condition. Please consult your doctor before starting any exercise or nutritional supplement program or before using these or any product during pregnancy or if you have a serious medical condition.