Tag: short-chain fatty acid

New Appetite-Suppressing Benefit of Fiber Discovered

It is well known that fiber has appetite-suppressing properties. In fact, Brenda and I wrote an entire book about it—The Fiber35 Diet. Fiber works in a number of ways to suppress appetite. Fiber expands in the stomach, taking up more space, which makes you feel full. In addition, fiber slows the emptying of food from the stomach into the intestines,…

Butyrate and the Immune System

Some of your gut bacteria—especially the beneficial Bifidobacteria—produce an important short-chain fatty acid (SCFA) called butyrate. They do this by fermenting fiber in the digestive tract. Butyrate acts as a food for the cells of the intestinal lining, helping to maintain the integrity of this one-cell-thick layer that separates the digestive system from the rest of the body. A recent…

Antibiotics, PPIs, and Low-Fiber Diet Set the Stage for C. difficile infection

Four weeks ago I began a blog series on the effects of proton pump inhibitors (PPIs) on the development of Clostridium difficile-associated diarrhea, a bacterial infection that has become more virulent and resistant to antibiotics over the last eight years.1 Today, I would like to talk about another possible contributor to C. difficile infection—a low-fiber diet. The low-fiber diet connection…

Prebiotics and Probiotics—A Primer

  I talk about probiotics a lot. I even have a PBS show on the topic—The Road to Perfect Health. I call your gut bacteria the Gut Protection System, or GPS. The word probiotics means, “for life.” Probiotics are defined as beneficial bacteria (sometimes yeast) that benefit the person taking them in some way. Many people relate probiotics to yogurt,…