You have to look at them carefully. There are some you can mail in that claim all sorts of things. Then there is a category called "personalized medicine" which is what changing did. You have to use a professional for this and I only know of two companies so far. Pharmacogenetics has been used longer for determining pain meds. This may be the metabolic test you did. The other company also test for Neuro transmitters. The difference is the metabolic test only tells you if you are likely to tolerate which meds. The other test tells you which classes might be more suitable. The key word is "might". They don't diagnose so they aren't really telling you which drug you "need". They second one come closer but I'm not sure.

http://www.genomind.com/. <-- Neuro transmitter and metabolic
http://assurexhealth.com/products/. <-- metabolic

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