Copied from Dr Mark Hyman and interesting to note the difference between non soluble fibre (bran) and soluble fibre found in fruit, veg, nuts and seeds
Fiber slows the rate food enters your bloodstream and increases the speed of food exiting through the digestive tract. Dietary fiber also helps balance blood sugar and cholesterol levels, aids in quick release of toxins from your gut and curbs your appetite. Fiber is also vital for feeding friendly gut bacteria.
You should shoot to get 30 to 50 grams of fiber into your diet every day. The type of fiber you choose is important, too.
Most people think that bran is the best type of fiber to eat. But bran (wheat fiber) is mostly insoluble and doesn’t get digested. Think of it as more of a scouring pad for your intestines. That’s good for getting you regular, but it just can’t help your health the way that soluble fiber can.
You’ll find soluble fiber in fruits, vegetables, beans, nuts, seeds, and most whole grains. The bacteria in your gut metabolizes the soluble fiber in these foods, and that’s when the benefits start.
Soluble fiber can help lower cholesterol, blood sugar, and insulin, prevent cancer, balance hormone levels, remove excess estrogen and reduce the risk of breast cancer, make vitamins and minerals, provide food for the colon cells, and more. So it’s easy to see just how crucial soluble fiber is to good heath!
Study: www.ncbi.nlm.nih.gov/books/NBK11795/