Herbal Advantage Product Causes Positive Drug Tests “Herbal Advantage Product Causes Positive Drug Tests “erbal Advantage Product Causes Posi”rbal Advantage Prod”bal A
An undisclosed number of positive tests for the class 3 drugs phenylpropanoloamine and norpseudoephedrine has prompted the California Horse Racing Board (CHRB) to urge trainers to scrutinize any herbal products or food supplements they feed thei



