Currently there are "9 comments" on this Question:

  1. Carline says:

    How long do niacin take to clean your system. Not too long, just a couple hours. But it is VERY uncomfortable. If you take niacin how long will your system be

  2. Ione says:

    If you are referring to clearing out for a drug test, scientific studies have shown it does not affect drug screenings. But its a very good vitamin for lowing Cholesterol.

  3. Doris says:

    How should you use niacin to clean out of your system?

  4. Dana 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. Kimbery 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. Oralee 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. Mozell says:

    If you are referring to clearing out for a drug test, scientific studies have shown it does not affect drug screenings. But it’s a very good vitamin for lowing Cholesterol.

  8. Alane 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

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