Modalert 200 affects dopamine and norepinephrine, which govern wakefulness, attention, and mood. Modalert briefly boosts alertness and cognition without altering brain networks. While it may help concentration and weariness, it does not permanently alter cognition or the brain. After modafinil wears off, brain function usually returns to normal. To prevent overuse, use Modalert under ... https://www.smartfinil.net/product/modalert-200/