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No, niacin will not detox one who has used marijuana.
no it can not
No, wishful thinking there....
If by synthetic marijuana you mean Spice, then you Dont need to detox. There is no THC in Spice and plus it filters out of your system in about 2days.
There is a2 week detox system that can be purchased from gnc. And also a 2 day detox drink