Home Supplements Glucosamine supplements could lower risk of cardiovascular disease – News from Tulane

Glucosamine supplements could lower risk of cardiovascular disease – News from Tulane

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Glucosamine is a popular dietary supplement used to relieve osteoarthritis and joint pain. Image by Shutterstock.

Regular use of glucosamine supplements may be linked to a lower risk of cardiovascular disease events, according to a new Tulane University study published in The BMJ.

The findings suggest that glucosamine could help prevent coronary heart disease and stroke, but further clinical trials are needed to test the theory, said lead author Dr. Lu Qi, director of the Tulane University Obesity Research Center.

“Our study for the first time provides evidence from a large prospective cohort to show that habitual glucosamine use is related to a lower risk of cardiovascular disease,” said Qi, HCA Regents Distinguished Chair and Professor at Tulane University School of Public Health and Tropical Medicine. “Considering the observational nature of the analysis, we would desire additional investigations to further validate the findings and to explore the mechanisms.”

Glucosamine is a popular dietary supplement used to relieve osteoarthritis and joint pain. While its effectiveness on joint pain continues to be debated, emerging evidence suggests that glucosamine may have a role in preventing cardiovascular disease and reducing mortality.  

To explore these potential associations further, Tulane researchers drew on data from the UK Biobank — a large population-based study of more than half a million British men and women. Their analysis included 466,039 participants without cardio vascular disease, who completed a questionnaire on supplement use, including glucosamine.

Death certificates and hospital records were then used to monitor cardiovascular disease (CVD) events, including CVD death, coronary heart disease (CHD) and stroke, over an average 7-year follow-up period.

Overall, almost one in five (19.3%) participants reported glucosamine use at the start of the study.

The researchers found that glucosamine use was associated with a 15% lower risk of total CVD events, and a 9% to 22% lower risk of CHD, stroke, and CVD death compared with no use. These favourable associations remained after taking account of traditional risk factors, including age, sex, weight (BMI), ethnicity, lifestyle, diet, medication and other supplement use.

The association between glucosamine use and CHD was also stronger in current smokers (37% lower risk) compared with never (12%) and former smokers (18%).

Several mechanisms may explain these results. For example, regular use of glucosamine has been linked to a reduction in levels of C-reactive protein, a chemical associated with inflammation. This may also help to explain the stronger association among smokers, who have higher levels of inflammation and higher risk of CVD than non-smokers.

In addition, previous data suggest that glucosamine may mimic a low carbohydrate diet, which has been inversely associated with the development of CVD.

Despite the large sample size, this is an observational study, and as such, can’t establish cause, and the researchers point to some limitations, such as lack of information on dose, duration and side effects of glucosamine use.

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