Do you want to get off meds, or just take a lower dose? You need to decide what your goal is.

I went off meds 9+ years due to serious side-effects from being on them for 13 long years. I now use amino acids and the mineral supplement lithium orotate to control my bipolar 2. I'm amazed at how well they work because they give the brain what it needs to produce the neurotransmitters needed to keep my mood stable.

If you want to get off meds, this is a good book that will tell you how to do so without becoming deathly ill:

Break Your Prescribed Addiction by Bille Sahley, PhD-painstress