I grew a large multi nodular goitre. The right lobe grew so large (about the size of a large egg protruding from the front of my neck) that it had to be removed as I knew of no other alternatives and the doctor's were pushing this line. Lab came back with results reading chronic thyroiditis. I was placed on oroxine which is thyroid replacement therapy. My left lobe continued to grow too, and began to be painful. I was seriously considering having the other side out a year ago as it looked as though I was going to have to live with pain and grow another "egg", or have it out and be done with this nightmare.
Then I found Curezone and the Iodine forum. I commenced taking Iodine and now am up to taking about 50 units daily. The difference is significant. Growth has halted, and I even think the lump has shrunk. Pain is non existent, AMAZING.
Please consider iodine. I do not think kelp will do much for you.