Enought for most chewing gum. After about two tea spoons I start shitting my brains out. That warning on tic tacs about not earing too much at once? Thats for the xylotol inside.
There's a video (below) where they make rice crispies with sawdust as an added ingredient. Like 10-30% sawdust was fine and just affected the texture. It wasn't until 50% sawdust that they tasted bad.
https://youtu.be/AKDal51f5LU?si=79LBDaYnRmLa1cSn