Provigil is the premier brand-name version of modafinil, recognized for its high manufacturing standards and reliable clinical results. Many patients prefer to purchase Provigil online to ensure they are getting the original, FDA-approved formula that has been the subject of decades of safety research. If you plan to order Provigil online, it is critical to use a licensed provider to avoid counterfeit products, ensuring your treatment for sleep apnea or narcolepsy is both safe and effective.