good benefits if you have heavy metal poisoning, but apart from that, no.
Chelation is effective at removing heavy metals from the system, but have a negative effect when used as a heart treatment. I had two relatives feel it was a 'natural' approach to heart health, and both died soon after starting treatment. I'd proceed with great caution,
probably not and it could diminish effectiveness of medication...read this from wikipedia
http://en.wikipedia.org/wiki/Chelation_therapy