Driven Sports touted the "seemingly endless energy" customers got from Craze Performance Fuel, but failed to clarify exactly what was providing that boost. That may have had something to do with the fact that the company broke bad and included a secret ingredient, which is pretty much meth. The exact effects of the compound in question (N,a-diethylphenethylamine) aren't entirely clear, but amphetamines are known to increase central nervous system activity, heart rate, and blood pressure, and can lead to cardiac arrest. Soon after yanking Craze, the feds reported they had also discovered a meth-like compound in nine other supplements but haven't issued a warning yet or named the products.
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