Andrew Huberman· PhD
So one thing that's absolutely key and is actionable, we're right there already in discussing tools is iodine. Iodine comes from things in the ocean, right? And here are a couple of interesting facts about iodine. And then we'll talk about whether or not you should be supplementing iodine or not. First of all, iodine is most common in sea salt, in kelp and in seaweed.