[tblomseth]

My piece of advice would be to track any intervention you might choose to implement. Find some indicators that are personal and can tell you whether any given intervention is working or not.

I have no personal experience with depression. However, I've used self-tracking to improve my allergies cf. http://quantifiedself.com/2014/03/thomas-christiansen-learni....

I would also look a bit broader than just your mental state e.g. how are your other bodily functions running. Depressive states might be a signal from your body about something that's amiss in the layers below and/or in your environment.