Vitamin D3 (as cholecalciferol) 125 mcg 625%. This complex features organic kelp, bladderwrack extract and potassium iodide. Natural iodine source from kelp. Iodine [from Sea-Iodine™ ComplexBlend (organic kelp and bladderwrack extracts, potassium iodide)] 1,000 mcg 667%.
