Reports indicate the shortage might be the result of transparency issues among government agencies and drug manufacturers.
On October 12, 2022, the FDA announced a shortage of the attention deficit hyperactivity disorder (ADHD) medication Adderall. At the time, the agency was in close communication with the drug makers and confirmed that one manufacturer was experiencing intermittent production delays.
https://healthnews.com/news/nationwide-adderall-shortage-still-impacting-people-with-adhd/