How much modafinil is safe? https://www.smartfinil.net/product/modalert-200/ Modafinil is usually administered at a daily dose of 100–200 mg for the majority of people, depending on the condition and individual reaction. When used once daily, Modalert 200 is within this typical range. Anxiety, headaches, and sleeplessness may worsen with higher dosages. To be safe and effective, always adhere to a doctor's prescription and refrain from self-adjusting the dosage.