Sarg.... interesting.. I was having the same argument with my psychiatrist the other day. PTSD>.. lets google that.. yep cymbalta is top of the list at the moment let's start you on that... My doc did not even do the tests for high blood pressure, heart issues in the family.. etc... Oh to have a doctor who actually listened and gave a shit..
If you have a balanced diet nothing and I mean nothing natural will work, unless your body does not produce it naturally.. Example, my body like most men stores too much iron, so giving blood once every 3 months makes me feel better, clearer. Nutrition, vitamins is a marketing campaign that is worth billions world wide. Find a meal plan, eat to that meal plan for a month, if you don't feel any different you have the answer.
Me I did feel better on Omega 3 / 6 and here is why, I eat fish maybe once or twice a year. So if I ate fish once a week I would not need to take the tab..