Does Modvigil 200 cause weight loss? https://www.smartfinil.net/product/modvigil-200/ Modvigil 200, a type of modafinil, and it is not licensed as a medication for weight loss. Modvigil 200 is promotes wakefulness, improves focus, and reduces excessive daytime sleepiness in conditions like narcolepsy, sleep apnea, and shift work disorder.