Relationship: Constipation (adults) and Oat bran

Evidence supporting the use of: Oat bran
For the health condition: Constipation (adults)

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Synopsis

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

Oat bran is scientifically validated as a supportive dietary intervention for constipation in adults. Oat bran is a rich source of insoluble and soluble dietary fiber, particularly beta-glucans. Multiple clinical studies have demonstrated that increasing fiber intake, especially from sources like oat bran, improves bowel regularity and stool consistency. For example, a randomized controlled trial published in the journal Alimentary Pharmacology & Therapeutics (2013) found that elderly patients with chronic constipation who consumed oat bran daily experienced significant improvements in stool frequency and consistency compared to those not receiving additional bran. Additionally, oat bran was shown to be well tolerated and effective as an alternative to laxatives in some studies.

The physiological mechanism is primarily related to the ability of oat bran fiber to increase stool bulk and water content, stimulating peristalsis and facilitating easier passage of stool. Soluble fibers in oat bran also undergo fermentation in the colon, producing short-chain fatty acids that support gut health. Major dietary guidelines and reviews (e.g., American Gastroenterological Association) recommend increasing fiber intake, including oat bran, as a first-line approach for managing mild to moderate constipation.

While individual responses may vary, and excessive fiber intake can cause bloating in some people, the overall evidence base for oat bran’s use in relieving constipation is strong and grounded in both clinical trials and mechanistic studies.

More about Oat bran
More about Constipation (adults)

Other ingredients used for Constipation (adults)

Other health conditions supported by Oat bran

Cardiovascular Disease
Cholesterol (high)
Constipation (adults)
Diabetes
Digestion (poor)
Hypertension
Inflammation
Irritable Bowel Syndrome
Metabolic Syndrome
Triglycerides (high)

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Evidence supporting the use of: Oat bran
For the health condition: Constipation (adults)

Table of Contents

Synopsis

Other ingredients used for Constipation (adults)

Other health conditions supported by Oat bran

Products containing Oat bran

Health Concerns

Brands

Evidence supporting the use of: Oat branFor the health condition: Constipation (adults)

Table of Contents

Synopsis

Other ingredients used for Constipation (adults)

Other health conditions supported by Oat bran

Products containing Oat bran

Evidence supporting the use of: Oat bran
For the health condition: Constipation (adults)