It can be difficult to know where to get iodine but there are many foods with iodine. These include seaweed or sea kelp, fish, meat, cheese and many more.
Health Leads makes Lugol's Iodine and iodide solution according to the Dr Hulda Clark recipe. Lugol's contains iodine and iodide. This iodine in solution consists of 44g iodine and 88g iodide in 1000ml of distilled water. This equals a 12% solution.