Det jeg vet om DMSA er at det regnes som en ganske aggressiv såkalt "chelator" og kan føre til mangel på en rekke mineraler - og at bl.a. Munro-Hall-klinikken i England IKKE anbefaler det.

We do not recommend DMPS or DMSA as chelators to remove metal. There are many reason why we do not recommend these drugs. They are too aggressive and strip essential minerals away. This can be disastrous for the nutritionally compromised patient, who can become very ill indeed.
http://www.hallvtox.dircon.co.uk/hallvt ... 20&%20DMSA