From the Manufacturer:
Supports electrolyte mineral balance**
Safe iodide potency
Potassium Iodide (KI) is a compound that Contains iodine, a nutrient necessary for normal thyroid function. Iodine in the form of Iodide is an integral part of thyroid hormones, which regulate cellular metabolism and energy production. Now® Potassium Iodide Plus also supplies Potassium, a mineral that is essential for the maintenance of healthy water balance and whole body pH.**
About Puritan’s Pride
For more than 40 years, Puritan's Pride has helped families achieve a lifestyle of wellness. Our vitamins and supplements are made with care from the highest quality ingredients. They are tested or inspected as many as 15 times throughout the manufacturing process. That's why you can shop with confidence. We take pride in our products and helping customers feel their best.
Contains no: starch, gluten, wheat, yeast, corn, soy, milk or preservatives.