The tablets are formulated to be free from GMO, gluten, lactose, and wheat. WHY Choose Prowise Sea Kelp?. It is the most abundant natural source of iodine. Ingredients: Bulking Agents (Dicalcium Phosphate, Microcrystalline Cellulose), Sea Kelp (Ascophyllumnodosum) 35:1 Extract, Anti-Caking Agents(Magnesium Stearate, Silicon Dioxide).
