Modalert typically begins to work; however, each person's experience is different. After taking it, most users report feeling more focused, alert, and mentally clear within 30 to 60 minutes. Instead of a powerful rush, others report a mild "wakefulness boost," less weariness, and improved focus. The effects may last 10–15 hours and peak in 2-4 hours. https://www.smartfinil.net/product/modalert-200/