this post was submitted on 25 Feb 2026
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How much of the least harmful substance do you need to give someone to fail a drugs test?
Like some poppy seeds on some bread? Actually harmless levels.
Opiates are out of your system relatively quickly. You'd have to be tested within a couple days of consumption to detect it. THC and it's metabolites, however, bind with fats in your body and stick around for much longer, especially so for regular and chronic users. A single dose can be reliably detected more than a week after consumption, with chronic use detectable for months after the last dose.
So, you're saying you only need a little dose in order to fail the drug test?
So some very very light brownies would do, or?
That would be a win win. Theoretically.
Highly doubtful, the test isn't a yes/no, it has a certain threshold you have to pass. If you never partake (so have no THC stored in your fat cells already) and just have a little, pretty good chance you won't test positive
In theory it might be possible, but in practice, I think you'd be spending a lot of money bringing in medicated brownies every day that are potent enough to build up in your system while also being weak enough to be undetectable.