That is very interesting because I crave sulfur foods like onions and garlic. Methionine and cysteine have sulfur and I love taking mustard seed powder baths. I think I remember MSM being hard on my stomach. Too much acid to handle I guess. Perhaps the mustard bath would be a safer way to try the sulfur again. Plus ingesting more alkaline foods to balance it out more. I'm thinking your body may have been too acid to start with and adding MSM just over did your system. I hope you are doing better now. 48124