Well, Modafinil can lower the potency of the pill, but it doesn't totally ruin it -- especially if you take your pill at the same time each day, etc. I say this

Well, Modafinil can lower the potency of the pill, but it doesn't totally ruin it -- especially if you take your pill at the same time each day, etc. I say this from personal experience. But yes, most people don't realize the impact other drugs can have on the pill.