Difference between fiber in your diet and supplement fiber? isn't fiber, fiber?

Yes ; no: Yes, fiber is fiber. But no, there's also soluble vs non-soluble fiber. More importantly, try to focus on eating enough of the right foods to get 25-36g/d as opposed to eating poorly ; then attempting to supplement w/fiber pills/mixes. Besides which, food tastes much better than pills ; powder. And eating enough fiber daily w/plenty of fluids ; physical activity will regulate bowel function.