The supply of an alternative to Adderall, Vyvanse (lisdexamfetamine), a commonly used medication for Attention-deficit/hyperactivity disorder (ADHD), is dwindling, further limiting options for patients in the U.S. who have been facing a nationwide shortage of ADHD drugs for nearly a year. Since August, individuals with ADHD across the U.S. have faced difficulties obtaining Adderall prescriptions. The labor shortage at Teva Pharmaceutical Industries Ltd (NYSE: TEVA), the largest manufacturer of b