Vyvanse was originally believed to possess a lower potential for abuse compared to other prescription stimulant medications like methylphenidate (eg Ritalin). Laboratory worker taking tube with a urine sample from the holder, close-up. for instance, if an individual were to require several doses of Vyvanse several hours apart, the detection window should be calculated supported the person’s last use of the drug and not once they started taking it. However, numerous factors can affect the metabolism of any medication, including the person’s weight and sex, whether the medication was taken alongside other medications, and the way much.Īgain, numerous factors could influence the detectability of the drug within the system. How Long Does Vyvanse Stay in Your System Redditįor general purposes, it are often estimated that about 5.5 half-lives of a specific drug are needed to clear it from the body. Dextroamphetamine may be a substance almost like amphetamine that might appear in most drug tests.īased on a 12-hour half-life for dextroamphetamine, one would expect the drug to pass from the body within 2 to three days. In contrast, dextroamphetamine, which features a half-life of roughly 12 hours, would be detectable longer. Lisdexamfetamine would only be detectable for a really short period of your time (only a couple of hours in most cases). Lisdexamfetamine, the active ingredient in Vyvanse, is of course metabolized into the stimulant dextroamphetamine. How Long Does Vyvanse Stay In Your System?Īccording to the book Workplace Drug Testing, the amount of your time that a drug stays in a person’s system is usually estimated or measured by the half-life of the drug (the time it takes for normal metabolic processes to scale back the drug’s concentration to the half).