Vitamin D Deficiency, Worsens Osteoarthritis of the Knee



According to a new study from Tufts New England Medical Center, low vitamin D levels may cause greater knee pain and difficulty walking in patients with knee osteoarthritis.

Knee osteoarthritis is caused by cartilage breakdown in the knee joint. Factors that increase the risk of knee osteoarthritis include being overweight, age, injury or stress to the joints, and family history can increase the risk of knee osteoarthritis.

In recent studies, it has already been found that vitamin D influences both musculoskeletal and neuromuscular function – so that this new study took a closer look on this in two-year trial of vitamin D supplements on knee osteoarthritis progression.

The researchers tested whether vitamin D deficiency at study entry is associated with pain and physical function in OA patients.

Vitamin D promotes the absorption of calcium and phosphorus needed for bone mineralization, growth and repair.

Sources of vitamin D are available to a lesser extent from dietary sources typically found in fortified margarine, oily fish, liver, fortified breakfast cereals and dairy products. Sun exposure helps vitamin D to become active.

Absorption of vitamin D from food and conversion of it to the active form is less efficient in elderly persons. For this reason, vitamin D supplements of 400-800 and calcium doses of 1,200 to 1,500 mg a day are recommended to prevent osteoporosis.

The results of this study suggest that Vitamin D supplements may also help in arthritis treatment.

Around here, (except on gloomy, rainy days like the past week) we have ample amount of healthy sunlight on a regular basis. But then in places that are deprived of warm sunlight especially at this time of year, there are always dietary and supplemental sources of Vitamin D.

Of the 100 participants, 47 percent were vitamin D deficient, with vitamin D levels below 30 ng/ml. This deficiency contributed to increased pain and difficulty walking among the participants. However, the deficiency did not affect time need to stand and sit repeatedly.

According to Tim McAlindon, MD, MPH; associate professor of medicine, division of rheumatology, Tufts New England Medical Center; and an investigator in the study:

“These preliminary results suggest that, among people with knee osteoarthritis, having a low vitamin D level is associated with more knee pan and greater functional limitation.

Future results from this ongoing randomized, double-blinded, placebo-controlled clinical trial of vitamin D will help determine whether vitamin D is an effective disease-modifying intervention for knee osteoarthritis.”

Yes, we do need Vitamin D – if you haven’t realized it yet. 😉

Find more details from Science Daily.

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Comments

  1. Right again! Drop that fried fast food, and start reading your labels. Eating your daily recommended 5-7 fruit servings each day is a great start to getting these vitamins. I found a great all natural product that is a blend of 19 fruits & it is a great start to feeling better & it can bring you relief to Osteoporosis. Your welcome to visit my blog at www.nutritionandwealth.blogspot.com

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