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 Amazon.com: Pure Therapro Rx S Acetyl Glutathione Gold 200mg 2 Month Supply Acid Resistant Capsule Patented Acetylated Form of Glutathione Zero Fillers Or Flow Agents Pharmaceutical Grade, Non GMO : Health How to Increase Glutathione to Protect Against Hashimoto's A Review of High Dose Iodine Safety: What Clinicians Need to Know Measurement of Total Antioxidant Capacity by Electrogenerated Iodine at Disposable Screen Printed Electrodes GonzlezSnchez 2017 Electroanalysis Wiley Online Library Iodine Linus Pauling Institute Oregon State University