Opti Iodine Optimal Health Systems This is what my family uses before and after going swimming. If you have hashimotos, skip the iodine and just do the antioxidants. The iodine I like is Biotics liquid iodine forte Nutritional Supplements to Dampen Oxidative Stress and Inflammation for HASHIMOTO'S Thyroiditis Measurement of Total Antioxidant Capacity by Electrogenerated Iodine at Disposable Screen Printed Electrodes GonzlezSnchez 2017 Electroanalysis Wiley Online Library Thiocyanate overload, poor dietary diversity, and selenium iron co deficiencies sustain iodine deficiency disorders in sub Saharan Africa ScienceDirect