Modvigil 200 tablets typically stay in your system for about 2 to 3 days. Its half-life is roughly 12 to 15 hours, meaning it takes this amount of time for the drug’s concentration to reduce by half. After about 2 to 3 days, most of the medication is eliminated from your body. However, traces can sometimes be detected in urine tests for up to 3 days, and in blood tests for a shorter period. Factors like metabolism, age, liver function, and dosage can affect how long modafinil stays in your system. If you plan to buy Modvigil 200 tablets, it’s important to use them responsibly and consult a healthcare professional for guidance.