I was makin syrup shakes not too long ago, used mrs. butterworths, 1/2 cup. 120 grams of pure natural sugar. I gained like crazy, but after a month or so I started getting real fat, so i stopped, but ill do it again in a few weeks. Too much? Id say anything over 100 is overkill, but then again it oculd be an individual thing, so i dont know.