Jay,
I too have seen the effects of the meds in seemingly stabilizing some people. The key is SOME people. I have one friend who, until recently was on 6 different meds and almost twice as many labels!! (Bi-Polar-Manic-depressive-etc-etc) AND had more problems than when she started taking them. Her doctor prescribed each new med to try to handle the side effects of the other meds! She was a WRECK. Couldn't sleep, eat, Suicidal and homocidal feelings, had mood swings and a bunch of other physiological and mental difficulties. When she told her doc (psychiatrist) that she was going to stop taking them, he almost blew a gasket! He grimly stated that she would probably not survive - but she was ready to kill herself while on the meds.
Well, long story shortened... She is doing quite well now, is taking NO meds, lots of vitimins and is back to normal. Getting her back was not easy. Some time away from her chaotic envrionment, tons of family/friends support, proper nutrition and re-establishing some goals for her to shoot toward - were the majority of the steps. It can be done - but won't be done by the brotherhood of Psych/Pharma - there is no MONEY in it for them.
I am truelly Glad your wife is better. Sometimes medication IS warranted - like giving a painkiller or sedative during a medical procedure or shortly after. There was NO end in sight for my friend - she was meant to stay on the meds (and be a guinea pig for all the newest) for the rest of her "life" - which she wasn't really having.
Seek a nutritional professional to address those "chemical imbalances".
My wife thinks I am a conspiracy nut, SOMETIMES. Less nowadays.
The proof is out there. Don't buy the psycho-babble. Research.