Vitamin D

More research needed to investigate role of vitamin D in IBS treatment

A group of researchers has concluded that, while the literature indicates a potential role, further studies are needed before vitamin D can be considered a therapeutic option for people living with irritable bowel syndrome.

Low vitamin-D status has been linked to inflammatory bowel disease and increased risk of colorectal cancer. Some early reports also suggest a link with irritable bowel syndrome (IBS) symptoms.

In a paper in the European Journal of Clinical Nutrition (online, 25 January 2018), researchers reviewed the current state of the literature on the role of vitamin D supplementation in IBS.[1]

The team found that there are limited data available. Only three randomised controlled trials have been reported — two of which found a beneficial effect of vitamin D on IBS symptoms in people with low vitamin-D status; however, these were of poor quality. All four observational studies identified found that people with IBS have a high likelihood of vitamin D deficiency.

The team said the literature indicates a potential role for vitamin D in IBS symptom severity, but larger randomised controlled trials are needed before supplementation can be considered a therapeutic option for the condition.

Citation: Clinical Pharmacist DOI: 10.1211/CP.2018.20204458

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