Buy Vyvanse 30mg online. Lisdexamfetamine is used as part of a comprehensive treatment strategy that also includes social, psychological, and other therapies to treat attention deficit hyperactivity disorder (ADHD). The capacity to pay attention, maintain focus, and put an end to fidgeting might all benefit. Treatment for binge eating disorder (BED) may also involve the use of lisdexamfetamine. Reducing the frequency of binge eating days could be beneficial. It is a stimulant, this medicine. It is believed to function by reestablishing the proper ratio of a few organic compounds (neurotransmitters) in the brain. Because of the possibility of severe adverse effects, it is not advised to use this medicine for weight loss.