Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Bran, specifically wheat bran, is commonly used to treat constipation in both adults and children due to its high insoluble fiber content. The scientific rationale is that insoluble fiber increases stool bulk and promotes intestinal motility, which can help alleviate constipation. Several clinical studies and reviews have examined the efficacy of fiber supplementation, including bran, in pediatric constipation. For example, a systematic review published in Pediatrics (2001) found that increased dietary fiber can be beneficial for some children with functional constipation, though results across studies are variable. More recent guidelines, such as those from the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN), suggest that while fiber, including bran, is safe and may be helpful, the evidence is not uniformly strong; some children respond, while others do not.

The overall evidence base rates as moderate (3/5) because while there is a clear physiological mechanism and some clinical support, bran is not universally effective, and high-quality randomized controlled trials in children are limited. Nonetheless, bran remains a common first-line dietary intervention for mild constipation in children, reflecting both its safety and general efficacy in many cases.

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