Extreme Clean Detox? Takes One Hour To Cleanse THC Metabolites and related chemicals from your system, Starts Working Immediately. Peak clean time will be 45 to 90 minutes after finishing the Extreme Clean Detox?. You will stay clean as long as No THC metabolites or related chemicals are re-introduced into your system. Manufactured in USA by FDA Registered, GMP certified facility. All products ship in a plain package with no markings that indicate what the products are. Fast shipping. Ships same business day if order is received by 12 noon Eastern (Florida) time. Otherwise ships next business day USPS Mail with Tracking. Keep out of reach of children. Do not use if you are nursing or pregnant. Not intended for use by anyone under 18 years of age. Consult physician before use.