Shotgun does not contain coumarin. The Australian TGA (the equivalent of our FDA) has failed to provide proof of testing Shotgun for coumarin and claims they lost the the documentation and retain samples of the 2002 lot in question. San Rafael Chemical, the most respected supplement testing agency, tested Shotgun Lot 2002 and found ND (none detected) in reagard to coumarin. VPX also tested Shotgun in house quantitativly and qualitatively via HPLC and IR and found no detectable coumarin in Shotgun. The clean N.O. Shotgun test results where posted on bodybuilding.com