3rd Party Lab Tested for Purity & Quality. ½ Level Teaspoon (1.1 g) of Potassium Gluconate per Serving, 413 Servings 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. Best Naturals Potassium Gluconate 1 Lb Powder