Some examples include vitamin C, aspirin, penicillin, or furosemide, which will all decrease the level of Vyvanse in your bloodstream. read more
Adderall has been around longer than Vyvanse. The FDA approved Adderall in 1996, and Vyvanse has been available since 2007. Still, Vyvanse and Adderall are both amphetamines (a type of stimulant medication), so they work in much the same way. read more