Yes, this can happen with sulfites.
Strongly suggest you look into Methylation Cycle Genomics. Here are some links to help you out:
Testing:
http://www.holisticheal.com/health-tests/nutrigenomic-testing/comprehensive-methylation-panel-with-methylation-pathway-analysis.htmlGeneral Info:
http://www.heartfixer.com/AMRI-Nutrigenomics.htmVery few doctors have a clue about
this stuff, but some are learning...
Best to not undertake treatment on your own...google "Dr. Amy Yasko" if you want more details. She pioneered the whole methylation cycle thing as a means of treating kids with Autism.
Take care,