What does NO Doze look llike? What are the effects on the body? ## NoDoz are simply stimulant pills that are used as an alertness aid, they each contain 200mgs of Caffeine. There are both name brands and generics on the market and since they are over the counter products, I don't have descriptions of them all to provide for you. The effects it can have may include nausea, dizziness, nervousness and irritability. Learn more: Is there anything else I can help with?