Quote Originally Posted by Deige
You passed because you exercised everyday for two weeks. Niacin is a myth and sweating excretes very little THCA. There are only three things that can help you to get clean: Exercise, time, and a high fiber diet.

You were burning fat(THCA is stored in fat cells)while exercising, you didn't need the Niacin for that.
I tried pure excersize about 3 years ago one time (b4 I ever heard of niacin) and 2 or 3 weeks later got a positive result...like I said everybody is difrent and it's obvious to me that it's doing something.