Currently there are "11 comments" on this Question:

  1. Fidela says:

    Aug 23, 2007 drug testing filter: does niacin really clean out all the THC in your body? I have a friend who has to take a drug test every month. Also, what are the long term effects of taking 20000mg of niacin in a four day period, every

  2. Catarina says:

    Exactly the same amount of time as doing nothing takes to clean your system (whatever that means). Niacin will treat pellagra within days, and it may, under the right circumstances, lower your serum cholesterol level. It wont do a darned thing to help you pass a drug screen. This is one of those stupid urban myths that simply refuse to die.

  3. Gail says:

    Does non flushing niacin clean your system as good as regular niacin?

  4. Yee says:

    If I understand the effect correctly, it only masks the THC in your urinalysis test for a matter of hours after the intake of the niacin. More:http://wiki.answers.com/Q/How_fast_can_Niacin_clean_your_system

  5. Dawne says:

    it depends on how heavy a smoker you are… if you smoke every day, you should take at least 3 a day for a week..AND stop smoking for that week. if however you don’t smoke often, just once or twice near the test date, one or two for a coupl… More:http://wiki.answers.com/Q/How_much_niacin_should_clean_your_system

  6. Carlota says:

    Niacin does not clean drugs — any drug — out of your system. More:http://wiki.answers.com/Q/How_long_until_niacin_cleans_your_system

  7. Lauren says:

    How fast it takes Niacin to clean out your system depends on your dosage and your body size and metabolism.

  8. Gemma says:

    Despite it long history of safety and efficacy, niacin has become controversial due to its use in How to Take Goldenseal & Niacin to Clean Your System · How to Do not drink more than a gallon and a half of water in the four-hour period Detail:http://www.ehow.com/how_8165011_use-clean-thc-out-system.html

  9. bonnie says:

    Yes niacin does work…..I’m a heavy smoker on probation….I take my drug test between the 1-15 the of the month… the rest of the month I smoke I save the last week to take 4 flush free niacin pills a day for 1week straight 1 pill every 6 hours drink lots of water u will b clean I weight 300 and smoke strong chronic and in blunts not bowls and it works for me if ur iffy try it and do ur own drug test at home the Tucker one cost under 20 at ur local smoke shop gud luck..

  10. bonnie says:

    Yes niacin does work…..I’m a heavy smoker on probation….I take my drug test between the 1-15 the of the month… the rest of the month I smoke I save the last week to take 4 flush free niacin pills a day for 1week straight 1 pill every 6 hours drink lots of water u will b clean I weight 300 and smoke strong chronic and in blunts not bowls and it works for me if ur iffy try it and do ur own drug test at home the Tucker one cost under 20 at ur local smoke shop gud luck..

  11. Philbert says:

    All that is bs I was told by a doctor and a personal trainer niacin does work it cause blood flow thru your body which makes you sweat it is a horrible process but it does work, it really works if you work out with it cause its burning the fat cells that the thc is stored in dont listen to anyone who says it doesn’t work, but beware do not over do it you can cause your liver to shut down, one in the morning and one at night, it’s gonna feel like you have sun burn on your whole body but drink lots of water it will help with the burning I have used this method several times an I smoke about 5 times a day, just give you self 4 days while on niacin ad 2 days off of it to pee it out of your system don’t believe me ask ur local doctor

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