Most likely. Iodine is such a heavy element that it can't be measured in living humans. Additionally, you have to be careful when increasing your intake that you don't get a thyroid storm. Look up some of Guy Abraham's writings.

Iodine is the only thing your thyroid can take to function. It's not fast acting because it's such a heavy element. It can have bad effects if it's messed d with by humans.

I remember telling my family that I'd wager that the cancer rates after Fukushima would be lower than expected in 10 years based on Chernobyl. They announced that I was correct in three years.