I don't know if I already mentioned a study where scopolamine helped people who were not responding to normal antidepressants. Two thirds of the people saw a benefit, and one third saw an apparently permanent remission of the depression - after only two weeks of scopolamine. Some people felt better the morning after starting the treatment.
NIMH » Rapid Antidepressant Action of Common Medication Confirmed by Repeat Trial

Let me know if you learn anything from your p-doc.

I also found this book, and I have ordered a copy. By filling-out a questionnaire, the reader can supposedly determine which neurotransmitters are too high and which are too low. With that information, a person can change diet, take supplements, etc.
The Edge Effect: Achieve Total Health and Longevity with the Balanced Brain Advantage by Eric R. Braverman ? Reviews, Discussion, Bookclubs, Lists