Daily Inulin Fiber Supplement May Ease Knee Osteoarthritis Pain, Boost Grip Strength: Study

A recent study highlights a potential new aid for individuals suffering from knee osteoarthritis pain: daily supplementation with inulin fiber. Researchers found that this natural prebiotic fiber, found in foods like chicory root, not only significantly reduced pain but also enhanced grip strength in patients over a six-week trial.

The study, led by researchers from the University of Nottingham in the UK and published in the journal Nutrients, involved 117 adults with knee osteoarthritis. Participants were divided into groups receiving inulin, a digital physical therapy program, a combination of both, or a placebo. The results indicated that inulin alone was effective in reducing knee pain and improving grip strength, with participants also showing decreased pain sensitivity.

Scientists believe the benefits may stem from inulin's role as a prebiotic, feeding beneficial gut bacteria. These bacteria produce short-chain fatty acids, such as butyrate, which can impact systemic inflammation and pain pathways. The study also observed increased levels of butyrate and GLP-1, an intestinal hormone linked to pain regulation and muscle health, in those taking inulin.

Furthermore, the inulin group exhibited a much lower dropout rate compared to the physical therapy group, suggesting that incorporating a fiber supplement into daily routines might be more manageable for many patients than adhering to an exercise regimen. This dietary change could offer a simpler, effective way to alleviate pain and improve physical function.

“

The study suggests a possibility that simple dietary changes, such as adding a fiber supplement to breakfast or yogurt, may help reduce pain and improve physical function.