Does niacin golden seal root and milk thistle help cleans the body quickerror of narcotics?

Myth. First you have to stop the input - I.e. stop taking them. Then your body will metabolize them, usually in the liver, and excrete them in the urine or the stool. The breakdown products might well be active too and each one has a half life in your body. Eventually they will all get out of your body.