I take vitamins to reduce the risk of tardive dyskinesia. There was a paper published in the early 80s in which the doctors used high dose B-complex, niacinamide (B3), vitamin E, vitamin C, and B6 plus whatever antipsychotics they were prescribing, to see if TD rates would go down. They went down a lot (the study lasted 10ish years), which is amazing, considering that they were using the old drugs, a lot of times at high doses.

I'm 5ish years into 30mgs/Abilify daily, and no tics, no twitches, no stiff walking, etc.