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Yeast Fermentate May Help Ease Constipation Symptoms

Constipation is characterized by difficulty passing a bowel movement and often comes with uncomfortable symptoms and significant impact on quality of life. A recent study suggests that taking low doses of a yeast fermentate may help improve symptoms of constipation such as bloating, and improve quality of life.


Participants in the study included 80 healthy adults with moderate to severe constipation. They were given either 500 mg of a yeast fermentate product or a placebo daily for six weeks. The researchers used a validated questionnaire to record constipation symptoms and quality of life of the participants. They also took stool samples to assess changes in gut microbiota.


At the conclusion of the study, the participants with moderate or severe constipation who took the yeast fermentate supplement had statistically significant improvements in bloating, distention, and stool consistency. They also had a trend towards improvements in stool frequency. The researchers also noted a trend toward improvements in quality of life in participants who had only moderate constipation.


Researchers from ProDigest in Belgium, Embria Health Sciences in the United States, the University of Ghent in Belgium, and the University of Maastricht in the Netherlands conducted the study. It was published on September 4, 2017, in BMC Complementary and Alternative Medicine.


Yeast fermentate is also known as brewer’s yeast or nutritional yeast. Previous studies suggest that it may help with immune function, improving digestion, and with keeping hair, skin, and nails healthy. Yeast fermentate can be eaten on its own, as a topping on other dishes, or taken in supplement form.

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