Amphetamine- 12-24hrs Cannabis- single use 2-5 days/ habitual use 2 weeks PCP and Methamphetamine - 1-5 days Unknown -Heroin, Codeine, Morphine, Cocaine, Benzodiazepines, Barbiturates

Allot relies on your height,weight,physical activity,eating habits, type of test (are they provides LAB-GC/MS or adulterant test confirmation?) but generally - If you're going to try and get clean Exercising a lot but stop 2-3 days before the test so you aren't still breaking down fat and releasing stored THC. Eat a high fiber diet … Read more

I suppose - urine test for weed? ... This hepl: More exercising (release stored THC),but stop 3-4 days before the test so you aren't still breaking down fat .Eat a high fibber diet (THC metabolites cling to the fibber and go out), daily multi vitamin or vitamin b-12 helps add creatin to the body if … Read more