To expand on the seriousness of the blog BUYER BEWARE, a news item on the Drudge Report reveals that 580 dogs died from kidney failure after being fed doggie treats under the Wagon Train label, marketed by Purina. A label that states "Distributed by" a firm in the United States means that the product can come from anywhere in the world, otherwise the label would proudly state "Made in the USA.
This is something that needs to be fixed by the Consumer Protection Bureau. Short of that, my advice is to never, ever buy anything on which the label says "Distributed By." A buyer has no idea where it came from or what went into it in the manufacturing or processing.
