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It used to be just a little, but they've worked on that test (by raising the cutoff) to eliminate poppyseed as a usable "false negative." Having said that, so many people believe one poppyseed will cause you to fail a drug test that you'll never find poppyseed anything in the snack bar at a truck stop--food with poppyseed on it doesn't sell there. I guess that's okay; there are other things to eat and poppyseed doesn't have any flavor.

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12y ago
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14y ago

I know that it can stay in your system for a month or so but I have heard that it will stay around for three months and is some cases, even 5-6months. But by then, it is really faint.

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Q: How much poppyseed will show on a drug test?
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