Hi all , I'm 48 and presently working as a tractor trailer driver , I used synthetic urine past Thursday and this Monday the Dr called with news that something interfered with test , he stated I need a retest with observer , so I started chugging water today drank a gallon with 2 b-12 tabs , 2 - 500 mg niacin , and a shot of apple vinegar with mother In it , I can be tested any time now , do I continue what I am doing ? Also I'm chugging cranberry juice , and drank the pickle jar , lol , help me out if you can ? I smoke every day and it consists of 3-4 hits off bowl at nite to sleep