More than 40 million people used Adderall in 2021, up from 32 million in 2017. This may not take into account the people who use this medication without a prescription, which means the number could be higher. With many people using this substance, it’s important to understand as much as possible about it. Some people may wonder if this drug is a methamphetamine due to the similarities between the two. We’ll explore this issue and many others relating to Adderall.