It's probably dumb overconservatism, the issue with chelators is that they are often rushed. You can distill low amounts of edta for a longer duration in order

It's probably dumb overconservatism, the issue with chelators is that they are often rushed. You can distill low amounts of edta for a longer duration in order to reduce toxicity. Also the following deficits (e.g in zinc) should be supplemented obviously. Moreover there are underused synergies https://pubmed.ncbi.nlm.nih.gov/21649453/ https://pubmed.ncbi.nlm.nih.gov/21649453/