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World’s Largest Dietary Intervention Study of Cocoa Flavanols

Media Type: Video
Title: World’s Largest Dietary Intervention Study of Cocoa Flavanols Investigates Long-Term Cardiovascular Health Benefits
Release Date: May 12, 2015


This randomized placebo-controlled trial, called the COcoa Supplement and Multivitamin Outcomes Study (COSMOS), will enroll 18,000 women and men nationwide, making it the largest dietary intervention study to evaluate the health benefits of cocoa flavanols and a multivitamin. The study is the result of an innovative public-private partnership among BWH, Harvard Medical School, the Seattle-based Fred Hutchinson Cancer Research Center (FHCRC), the National Institutes of Health (NIH), Mars, Incorporated, and Pfizer, Incorporated.

According to JoAnn Manson, MD, Chief of the Division of Preventive Medicine at BWH and co-lead on the study, “The COSMOS trial builds on a decade of scientific evidence indicating that cocoa flavanols improve blood vessel function, metabolic health, and cognition. The depth and breadth of this innovative trial are unprecedented. ”

See the full press release