Vitamin D lowers knee pain

Vitamin D helps keep bones strong and reduce inflammation, two factors in reducing osteoarthritis. In this study, doctors analyzed a racially diverse group of 256 women and men, on average aged 57, with osteoarthritis of the knee. About half the participants were obese, and among these, 54 percent were deficient in vitamin D. Among non-obese participants, 22 percent were deficient in vitamin D.

Overall, those with adequate levels of vitamin D reported less knee pain than those with low or deficient levels, regardless of weight. Among those who were obese, men and women with adequate or better vitamin D levels had better physical performance.

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