Glucosamine Doesn't Reduce Knee Pain Study Shows - KMSP-TV

Glucosamine Doesn't Reduce Knee Pain Study Shows

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A paper published Tuesday in the Journal of Arthritis & Rheumatology says that as daily supplement of a   glucosamine drink supplement did not reduce knee pain and failed to prevent deterioration of knee cartilage .

The study was done on a group of 201 adults for six months.

 "Our study found no evidence that drinking glucosamine supplement reduced knee cartilage damage, relieved pain or improved function in individuals with chronic knee pain," said the study's lead author, Dr. C. Kent Kwoh, professor of medicine and medical imaging at the University of Arizona College of Medicine.

"We looked at multiple different ways that glucosamine might help," said Kwoh. "None of them showed any benefit." 

Glucosamine occurs naturally in humans and

Glucosamine is naturally occurring in the body and helps build cartilage, that bone cushioning layer in the body's joints.

Glucosamine supplements have become very popular lately, with those seeking to reduce the ravages of arthritis and other joint damage.   The study's authors claim as much as 10 percent of the U.S. population uses the supplement, which is made from the shells of sea creatures.

In European studies, where glucosamine requires a physician's prescription, manufacturer-funded studies have argued that the substance is beneficial.

In the United States, however ,where the product can be purchased over-the-counter ,some studies have failed to find it effective in slowing the progression of knee osteoarthritis.

In the study, half the group was given 1500 milligram doses of glucosamine hydrochloride in a lemonade drink, the other half received plain lemonade.

In the most recent study, Kwoh and his colleagues tested glucosamine's effects on adults between 35 and 65 who complained of knee pain.

The subjects were given MRI's and reported on their perception of their pain, as well has having urine tests to determine tissue degeneration.

The MRI images, pain assessments and urinalysis  gave no indication that the  glucosamine was more effective than the placebo , according to the study's authors.

The study was funded by the Coca-Cola Co.'s Beverage Institute for Health & Wellness. 

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