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Yes, it is possible that if your Yellow Jacket pills are not the ephedra-free form, your test will come up dirty. But unless you have the form of YJs that the FDA banned and took off the market awhile ago, or took a great deal of the YJs still containing ephedra today to match the amount of ephedra that the old pills contained, then your chances of coming up dirty aren't likely. But it is possible.

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16y ago

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