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                      Prebiotics: Why Do We Need Them?

                      Published by Ginger Hultin, MS RDN CSO

                      Prebiotics are the fuel that feed probiotics and make them effective in supporting human health – especially gut health. But what are they and where do you find them? Questions abound about this frequently talked about but often misunderstood component of food that all of us need for good health.

                      MuesliDo not get prebiotics confused with the very similar-sounding probiotics. Prebiotics exist naturally in food as non-digestible component that supports good bacteria in your lower gut. They are a type of carbohydrate that cannot be broken down. Prebiotic food compounds pass through the small intestine undigested so that good bacteria in the colon including bifidobacteria and lactobacilli can ferment them there. Don’t worry; this fermentation is a good thing and a natural process for the body.

                      Prebiotics Deliver ‘Functional Fiber’

                      Prebiotics are like fiber; in fact, all prebiotics are fiber but not all fiber is a prebiotic. Prebiotics could also be called “functional fiber” meaning that they play a function in human health. Think of them as food with a specific purpose. Officially, prebiotics are fructooligosaccharides which includes inulin and galactooligosaccharides. No need to worry about the scientific title; prebiotics is a well-accepted term.

                      Fermentation of prebiotic foods within the colon leads to health benefits such supporting healthy bowel movements, better pH balance in the colon, and production of short chain fatty acids. These special fatty acids act similarly to dietary fiber because they also help lower cholesterol which is a heart-healthy side effect of these foods in the diet. There is even some promise in current research that suggest prebiotics might protect against colon cancer though more studies are needed on this topic in the future.


                      What Foods Contain Prebiotics?

                      Green AsparagusYou can find prebiotics in common foods like bananas, onions, garlic, leeks, asparagus, sunchokes (Jerusalem artichokes), soybeans, oats, chicory and whole-wheat based foods.

                      Aside from the fact that these foods that contain prebiotics are rich in fiber, vitamins, minerals and antioxidants, they also have been shown to aid in gut health. There is evidence that prebiotics may help ease traveler’s diarrhea or relieve constipation. This process also helps prevent dangerous bacteria from entering the GI tract. If you regularly eat these healthful veggies and grains, it is likely that you are getting a daily dose of prebiotics. You can find inulin and other prebiotics in supplement form but unless a doctor is suggesting them for you based on your gut health needs, the best focus is to incorporate whole food sources daily.


                      Know the Safety Considerations

                      There are safety considerations for prebiotics, however, including gastrointestinal issues. For some people, the use of fructooligosaccharides can cause flatulence, belching, abdominal pain, and/or bloating. You may have heard of the popular “Low FODMAP Diet” which actually removes foods rich in prebiotics as they cause discomfort or digestive problems for some people. If you have chronic issues such as gas, bloating, diarrhea or constipation, it is important to seek medical support because these problems could stem from so many aspects of health.

                      Raw Organic Jerusalem Artichoke Sunchokes

                      Raw Organic Jerusalem Artichoke Sunchokes

                      Though there is more to learn in the future about prebiotics, current research is promising concerning GI health, cardiovascular health, the immune system, cancer prevention and inflammation. Best of all, the foods that contain prebiotics are healthy whole foods packed full of nutrition. Enjoy!

                      Resources

                      Natural Medicines Database. Prebiotics. https://naturalmedicines.therapeuticresearch.com/databases/food,-herbs-supplements/professional.aspx?productid=450.  Updated 5/27/2015. Accessed 12/24/16.

                      Academy of Nutrition and Dietetics. Prebiotics and Probiotics: Creating a Healthier You. http://www.eatright.org/resource/food/vitamins-and-supplements/nutrient-rich-foods/prebiotics-and-probiotics-the-dynamic-duo. Updated 10/10/16. Accessed 12/24/16.

                      Slavin J. Fiber and prebiotics: mechanisms and health benefits. Nutrients. 2013;5(4):1417-35.

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                      Ginger Hultin, MS RDN CSO
                      Ginger Hultin, MS RDN CSO
                      Ginger Hultin MS RDN CSO is a Seattle-based Registered Dietitian Nutritionist and long time contributor to nutrition content on Foodtrients®. She is the owner of the concierge, virtual nutrition practice Ginger Hultin Nutrition where she helps clients with complex health conditions through an integrative approach. She specializes in anti-inflammatory diets for integrative oncology nutrition, people with gastrointestinal disease, and autoimmune issues. Her 10-year partnership with Foodtrients® has focused on evidence-based anti-aging nutrition, healthy recipes, and "top foods" lists in many categories from blood sugar control to healing your gut. Ginger serves as adjunct clinical faculty at the Bastyr Center for Natural Health in Seattle. She is the director of communications at the Washington State Academy of Nutrition and Dietetics, a past Spokesperson for the Academy of Nutrition and Dietetics, and past-chair of the Vegetarian Nutrition Dietetic Practice Group. She has authored two nutrition books: Anti-Inflammatory Diet Meal Prep and the How to Eat to Beat Disease Cookbook. Ginger is a graduate of the University of Washington and Bastyr University and is currently pursuing her doctorate of clinical nutrition at the University of North Florida.

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                      This website is for informational and entertainment purposes only and is not a substitute for medical advice, diagnosis or treatment. FoodTrients – A Recipe for Aging Beautifully Grace O, author and creator of FoodTrients® -- a philosophy, a cookbook and a resource -- has a new cookbook dedicated to age-defying and delicious recipes, The Age Beautifully Cookbook: Easy and Exotic Longevity Secrets from Around the World, which provides one hundred-plus recipes that promote health and well-being. The recipes are built on foundations of modern scientific research and ancient knowledge of medicinal herbs and natural ingredients from around the world. Since the publication of her first anti-aging book, The Age GRACEfully Cookbook, Grace O has identified eight categories of FoodTrients benefits (Anti-inflammatory, Antioxidant, Immune Booster, Disease Prevention, Beauty, Strength, Mind, and Weight Loss) that are essential to fighting aging, which show how specific foods, herbs, and spices in the recipes help keep skin looking younger, prevent the diseases of aging, and increase energy and vitality. Grace O combines more exotic ingredients that add age-fighting benefits to familiar recipe favorites.

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