Its not to overlook that Onwards have also worked in other needed aspects such as finding food sensivities and giving up on those foods (this can be huge, there are people who literally cured all their symptoms giving up dairy) and intestinal pathogen removal/probiotics.
Lilly, I think you should stick to NB and go from that. Heavy metal removal its very important and its obvious you cannot do Cutler chelation for now. Just my opinion!