I only could get through about 17 rounds of low dose dmsa ,just felt like it was making me worse every time I used it and if I added ala to it It was down hill very fast , sounds like we share the same problem with chelation, I have been doing natural detox and have made way more progress than while doing chelation , I eat high sulfur foods like eggs, broccolli,and cabbage these seem to help me quit a bit,