Nature's wide array of chemistry has some good herbal based chemicals that have an adaptive effect via in conjunction with the NMDA receptor instead of directly inhibiting dopamine and 5ht receptors with non nature based toxins.
Some natural solutions might have a non addictive calming anti-psychotic effect and actually be positive with regards to their impact on neuro degenerative disorders so there would be no brain shrinking and we're probably talking one or two obscure herbs or herbal extracts.
What I find helps when dealing with antipsychotics I'm not suggesting anything by this it is not qualified advice. I don't have the piece of paper nor the responsibility.
For energy.
Phosphatidic acid
DHEA
Use a kettle bell which you fast pull up either side of your body up to below your armpits for kidney exercise.
For the feel good factor.
Silver needle white tea
DHA and EPA brain fat based food.
Go for a walk.
For anti stress response.
5-HTP&Tryptophan complex, Agmatine, Panax Ginseng.
Lift the kettle bell in front of your shoulder to behind your shoulder and back again a bit both sides this will stimulate the upper spine where some useful bio chemistry is stored and processed.
For intelligence development.
DMAE, Alpha GPC, Brahmi powder.
Go out in more sunny days and socialise more if you need to.
Get up early more and do a few sudoku's or other puzzles each week or month.
For thyroid function
Ashwaganda powder.
Eat a varied balanced diet.