that’s not true. I take upwards of 50mg per day. 1100 mcg’s is only 1.1mg. That’s a VERY tiny amount. Essentially ineffective.
What I said is true for the official Upper Tolerable Limit for Iodine in the US:
https://www.ncbi.nlm.nih.gov/books/NBK222323/
One may choose to go beyond that limit, but that is the official limit.