Is Vyvanse amphetamine salts

Yes, Vyvanse (lisdexamfetamine) is a medication that is classified as a central nervous system stimulant. It is a prodrug that is converted into dextroamphetamine in the body, which is an amphetamine. However, Vyvanse itself is not a mixture of amphetamine salts like some other medications, such as Adderall, which contains a combination of different amphetamine salts.