Is Modafinil Legal In Australia? Modafinil is classified in Schedule 4 by the Therapeutic Goods Act (TGA) as a “Prescription Only Medication”. It’s therefore illegal to import, distribute, sell, or be in possession of Modafinil in Australia without a valid prescription. Unprescribed use, supply, sale, or purchase attracts a heavy fine under Australian laws. What Is Modafinil? Modafinil is a…