How many 250 mg niacin pills should I take to clear out my system of thc over night? I weigh 110 pounds.
Not Medical Advice: It best to take 1 to 2 Niacin 250 mg pills per day. Do not take the medication in larger amounts because of side effects.
Answered by kgb agent Katrina C on Sunday, April 15 2012 at 02:53PM EDT