@article{ref1,
title="A methamphetamine analog (N,α-diethyl-phenylethylamine) identified in a mainstream dietary supplement",
journal="Drug testing and analysis",
year="2013",
author="Cohen, Pieter A. and Travis, John C. and Venhuis, Bastiaan J.",
volume="6",
number="7-8",
pages="805-807",
abstract="Pharmaceuticals and banned substances have been detected in hundreds of purportedly natural supplements. Recently, several athletes have been disqualified from competition after testing positive for the methamphetamine analog N,α-diethyl-phenylethylamine (N,α-DEPEA). Athletes have claimed they unknowingly consumed the banned stimulant in workout supplements. Three samples from different lot numbers of Craze, a workout supplement, were analyzed to detect the presence and concentration of N,α-DEPEA. Two labs independently identified N,α-DEPEA in the supplement using ultra high performance liquid chromatography (UHPLC) coupled to an LTQ Orbitrap XL mass spectrometer and UHPLC-quadruple-time-of-flight mass (Q-TOF) spectrometer, respectively. The identity of N,α-DEPEA was confirmed using nuclear magnetic resonance and reference standards. Manufacturer recommended servings were estimated to provide 21 to 35 mg of N,α-DEPEA. N,α-DEPEA has never been studied in humans. N,α-DEPEA is a methamphetamine analog; however, its stimulant, addictive and other adverse effects in humans are entirely unknown. Regulatory agencies should act expeditiously to warn consumers and remove N,α-DEPEA from all dietary supplements. Copyright © 2013 John Wiley & Sons, Ltd.<p /> <p>Language: en</p>",
language="en",
issn="1942-7603",
doi="10.1002/dta.1578",
url="http://dx.doi.org/10.1002/dta.1578"
}