However, it has not been shown to improve bowel regularity. It has been clinically proven to help lower cholesterol and improve glycemic control. It has been shown to improve regularity in those with IBS-C and IBS-D.īeta Glucan (b-glucan)is a fermentable, soluble fiber naturally found in cereal grains like oats. However, there is limited clinical evidence of the stool regulating evidence of methylcellulose.Ĭalcium-polycarbophil is a non-fermentable, insoluble fiber with water-holding capacity that can be effective for both constipation and diarrhea. Methylcellulose is a non-fermentable, viscous, non-gelling, soluble fiber that can help to alleviate constipation and bulk liquid stools. Of all the functional fibers, psyllium husk has the most clinical backing. Because it is non-gas producing and does not irritate the gut lining, it is suitable for those with IBS. Additionally, it can help to lower cholesterol and improve blood sugar control. Its high water-holding capacity helps to bulk stool and can uniquely help with both diarrhea and constipation. Psyllium Husk is a non-fermentable, soluble fiber with viscous, gel-forming properties. It is important to note that functional fiber supplements are not intended to replace dietary fiber from foods, which come with the added benefits of other nutritional properties. These benefits include lowering cholesterol, improved blood sugar management, and bowel movement regulation, depending on the type of functional fiber. Functional Fiber Supplementsįunctional fibers are defined by the Institute of Medicine as "isolated, non-digestible carbohydrates that have been shown to have beneficial physiologic effects in humans," backed by clinical research evidence. Additionally, you should avoid fiber supplements if you have difficulty swallowing, esophageal stricturing, impacted stool, bowel obstruction, or active intestinal inflammation. If you have ongoing or worsening gastrointestinal symptoms such as severe constipation, diarrhea, or abdominal pain, it’s best to work with a healthcare provider to clarify the nature of the condition before supplementing fiber. From there, a registered dietitian on our Medical Expert Board reviews each article for scientific accuracy.Īlways speak with a healthcare professional before adding a supplement to your routine to ensure that the supplement is appropriate for your individual needs and which dosage to take. Our team of registered dietitians reviews and evaluates every single supplement we recommend according to our dietary supplement methodology. To recommend the best fiber supplements for digestive symptoms, our GI dietitian used the latest research, her experience working with hundreds of patients, and the insights of trusted colleagues to provide evidence-based guidance. If you have a specific health condition, it’s important to speak with a healthcare provider before trying a product, as some fiber supplements can make particular conditions worse. Registered Dietitian and author Tamara Duker Freuman MS, RD, CDN notes that her patients "often use the term ‘life-changing’ when referring to the effect of a well-chosen fiber supplement on their diarrhea or constipation." A fiber supplement can help with diarrhea, constipation, or both. It's essential to choose a fiber product that is both backed by clinical evidence and a good match for your individual needs. Understanding the effects of different fiber types and dosages is key when considering supplements. But not all fiber works for all symptoms," says Laura Frado, MS, MD. "A daily supplement can be used to regulate symptoms. Additionally, certain fiber supplements, or functional fibers, can target specific digestive conditions, and some may improve cholesterol and blood sugar control. While it's best to consume fiber from food sources, fiber supplements can be helpful in reaching your daily goals. Higher intakes of dietary fiber are associated with decreased risk of chronic diseases like type II diabetes, heart disease, and certain types of cancers. Consuming enough fiber is important for both digestive and overall health.
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