Synopsis

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

Cellulose, specifically in the form of bulk-forming fiber supplements (such as methylcellulose), is scientifically validated for use in the management of hemorrhoids. Hemorrhoids are swollen veins in the lower rectum or anus, commonly caused or worsened by straining during bowel movements, which is often linked to constipation. Cellulose acts as a bulk-forming laxative: it absorbs water in the intestine, increasing stool bulk and softness, which facilitates easier, less painful defecation and reduces straining. Multiple clinical guidelines, including those from the American Society of Colon and Rectal Surgeons, recommend dietary fiber supplementation as a first-line measure in the treatment and prevention of hemorrhoids. Randomized controlled trials and meta-analyses have shown that fiber supplementation (including cellulose) reduces the risk of persistent symptoms and bleeding from hemorrhoids by about 50%. The mechanism is not specific to cellulose alone—other fibers like psyllium are also effective—but cellulose is a common, well-tolerated, and widely available option. It is important to note that fiber supplementation, including cellulose, is not a cure for hemorrhoids but an effective supportive measure to alleviate symptoms and prevent recurrence by promoting regular, soft bowel movements and minimizing trauma to the anal and rectal veins.

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