The U.K., China, Russia, Taiwan, and the European Union ban or limit the use of ractopamine, a drug that promotes growth in pigs, cattle, and turkeys. Ractopamine is linked with serious health and behavioral problems in animals, and human studies are limited but evoke concerns, according to the Center for Food Safety. The U.S. … Continue reading 160 of the world’s 196 countries ban or restrict ractopamine. We’re not one of them.