Niacin

[squareguy]

i have heard that taking niacin will help you pass a piss test for marijuana. is this true? how much do you need?

squareguy Reviewed by squareguy on 11-11-2005. Niacin i have heard that taking niacin will help you pass a piss test for marijuana. is this true? how much do you need? Rating: 5