Vyvanse Exposed: What Big Pharma Doesn't Want You To Know

Sep 23, 2016 · better still— vyvanse has no pharmacological activity of its own. It is only after an amino acid called lysine is metabolically removed that it begins to work. (see figure below). Developing drugs is not as expensive as they say. Big pharma exaggerates the costs of r&d of new medicines to justify their high. Nov 1, 2024 · soon after vyvanse’s patent expired in 2023, applications for generic formulations of lisdexamfetamine dimesylate started flowing into the fda.