What Is Vyvanse?
Vyvanse is the brand name for the prescription drug lisdexamfetamine dimesylate. It is another prescription stimulant medication that is use to treat ADHD, and it has also been approve by the FDA to treat binge eating disorder. it does have the potential for abuse and addiction so it is classify as a Schedule II drug.7
When used as directed by a doctor, it increases a person’s ability to pay attention, stop fidgeting, and stay focus. Researchers aren’t exactly sure how it works, although it is thought to restore the natural balance of neurotransmitters in the brain.8
Although it does have the potential for abuse, Vyvanse is less likely to be abuse than other stimulants because it is a prodrug. This means it must first be absorbed by the intestinal tract before it is converted to dextroamphetamine, which is the active form of the drug. As a result, its effects aren’t felt as quickly as those of Adderall, since it must be metabolized by the body first.
How Long Does Vyvanse Stay in Your System?
For most people, Vyvanse stays in your system for about three days.9,10 This will vary from person to person depending on the following factors:
- Your metabolism
- Body mass, body fat, and weight
- Amount of water in the body
- Liver and kidney health
- How often and how much Vyvanse is use.
The effects of Vyvanse is felt in about one to two hours after taking a dose. The delay is longer than that of Adderall (effects can be felt in just 30 minutes) because Vyvanse must be metabolized by the body first.
Drug tests can also be used to detect Vyvanse use or abuse. The chart below contains approximate drug test detection times for Vyvanse.
Drug Testing for Vyvanse
|Urine test||Detectable for 2 days|
|Blood test||Detectable for up to 12 hours|
|Saliva test||Detectable for 1 -5 days|
|Hair follicle test||Detectable up to 90 days|
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