Positive symptoms

what are the best treatments (no antipsychotics and medication) to eliminate or reduce the positive symptoms? There are effective treatments (no anti psychotic medicines) against the positive symptoms? vitamins, amino acids, fish oil, hormones, supplements or other?

please help me and answer

I get breakthrough symptoms voices
I on clozaril
I don’t know answer
Hope someone can help

This is the only non-medication product that I think has scientific evidenc that it might be helpful:

Medication would be the most helpful I believe.