I've heard of Yasko (a practitioner of some kind who does genetic testing), but I remember her services being expensive, so I briefly googled last night for other options in interpreting the 23andme test.
I didn't have much time, but found a page, where people are discussing it (link at end of this message) and from there I found the following site,
which seems to offer (Free, donation requested but not required) Methylation Analysis and Detoxification Profiling from 23andMe genetic results: