OK, all of the symptoms you mentioned are commonly associated thyroid issues. Here's exactly what I would do. I would try the following herbal combinations and see what improvements you experience.

Depression and low energy is often associated with thyroid problems. I solved my low energy issue before my amalgams were taken out with this:
Thyroid Support (This is an excellent.)

Depression can be associated with several things. The best line of defense is well-known and works very well for many people.
St. John's Wort

I hope this helps.