Controlled Substance have a high potential for abuse but may have some accepted medical uses, with severe restrictions, such as opioid pain relievers like Vicodin, fentanyl, and Dilaudid. https://www.coherentmarketinsights.com/market-insight/controlled-substance-market-6201#:~:text=Global%20controlled%20substance%20market%20is,hallucinogens%2C%20anabolic%20steroids%20and%20others.