The opioid crisis has brought many dangerous substances into the spotlight, but U-47700—often sold as a "designer drug" or "research chemical"—has become a particularly alarming substance in recent years. Marketed as a synthetic opioid with effects similar to heroin and fentanyl, U-47700 has been linked to fatal overdoses, making it a serious h

In recent years, carfentanil has become one of the most talked-about and terrifying substances on the streets. Originally developed as a veterinary tranquilizer for large animals like elephants, carfentanil is an extremely potent synthetic opioid—approximately 100 times stronger than fentanyl, and up to 5,000 times stronger than morphine. Its pot