Best Naturals Potassium Gluconate Supplement 595 Mg Tablet, 250Count – 3rd Party Lab Tested for Purity & Quality. – 595 mg of Potassium Gluconate per Tablet – 250 Tablets per Bottle. – Non-GMO & Gluten-Free. – Proudly Made in USA, GMP Compliant, FDA Registered Facility. – No Artificial Color, Flavor, or Sweetener, No Preservatives, No Sugar, No Milk, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.