I also took about 2000mg of niacin a day and drank a lot of water. I know there is no scientific proof to backup niacin but it helps ease my mind so I do it.
This makes no sense. How does it help to "ease your mind", if you know that theres no scientific proof to back up the alleged efficacy of niacin?

Niacin is nothing but an ancient myth. It does nothing to help pass a U/A. Besides, taking more than the 15mg RDA can have some serious health consequences.

Overdoing Niacin Can't Thwart Drug Abuse Tests and Is Risky

Misusing Vitamin To Foil Drug Test May Be Toxic; Plus, It Doesn't Work
Burnt Toast Reviewed by Burnt Toast on . Medtox 9 panel drug screen Yesterday I had a pre-employment drug screen which was a 9 panel from medtox labs. The last time I smoked was 3 weeks ago. However I am also on probation and had my drug test 1 week prior to the pre employment drug screen and passed that. My first void of the day tested clean 2 weeks ago on the 50 ng/ml immunoassay test. The reason I am worried is because the three days prior to my pre employment screening I stayed at my friends house, and they are heavy smokers. I was around some of the Rating: 5