Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Bran, particularly wheat bran, has been scientifically demonstrated to support the stomach and digestive system, primarily through its high dietary fiber content. Numerous clinical studies show that bran increases stool bulk, accelerates intestinal transit, and can relieve symptoms of constipation and irregular bowel movements. These effects are due to the insoluble fiber in bran, which is not digested or absorbed in the stomach but rather adds bulk and retains water in the gut, promoting regularity. While bran's primary benefits are associated with the large intestine and colon, its fiber content can also have secondary effects on the stomach by promoting satiety, slowing gastric emptying, and supporting overall gut health. Several randomized controlled trials and meta-analyses confirm bran's role in improving digestive function and managing symptoms of functional gastrointestinal disorders like irritable bowel syndrome (IBS) with constipation. However, it should be noted that bran may not be suitable for everyone, especially those with certain gastrointestinal conditions (such as diverticulitis or celiac disease), and can exacerbate symptoms in some individuals. Overall, the use of bran for supporting the stomach and digestive tract is grounded in robust scientific evidence, primarily due to its prebiotic effects and role in maintaining regular bowel function.

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