Adderall is typically prescribed for attention deficit hyperactivity disorder, Allmendinger said. He does not have ADHD and therefore had no prescription.
He explained that he had been out in Louisville, KY, the Wednesday before the Quaker State 400 race at Kentucky Speedway, and was tired.
A friend, Allmendinger said, handed him a pill and stated it was a workout supplement that would give him energy. Allmendinger ingested the pill. Two days later he was randomly-tested at the racetrack, a test he would ultimately fail.