Can Chocolate Support Cardiovascular Longevity? – Joseph Raffaele Discusses COSMOS Trial
Joseph Raffaele, Physician-Scientist in Longevity Medicine, CEO of PhysioAge LLC, posted on LinkedIn:
”Can chocolate support cardiovascular longevity?
One of the largest nutrition trials may surprise you:
Between 2014 and 2020, researchers at Brigham and Women’s Hospital led one of the largest nutrition trials ever conducted: 21,442 adults, mean age 70 years, men and women, randomised to receive either cocoa extract or placebo.
Investigators measured key markers of “inflammaging” – the chronic, low-grade inflammation that accelerates vascular and metabolic decline.
The results:
- hsCRP decreased by 8.4% per year versus placebo
- IFN-γ increased by 6.8% per year
- No significant effects were seen for IL-6, TNF-α, or IL-10
In the parent COSMOS trial, the same cocoa extract was associated with a 27% reduction in cardiovascular disease mortality, and this new data begins to explain why.
By lowering hsCRP, cocoa flavanols appear to improve the inflammatory burden that drives endothelial aging, thereby improving nitric oxide production and vascular flexibility.
The IFN-γ increase, though small, is intriguing.
It suggests a possible maintenance of antiviral and anti-tumour defences while dampening chronic inflammation.
Nutritional interventions like cocoa flavanols, polyphenols, and omega-3s are emerging as safe, evidence-based tools for modulating immune and inflammatory response.
When standardised and quantified, they extend well beyond “dietary advice.”
They influence biological pathways that drugs like statins or rapamycin target, but through gentler, everyday mechanisms.
Studies like this remind us that the most familiar molecules – flavanols, polyphenols, micronutrients – can improve cardiovascular physiology and longevity.
How do you see the balance between lifestyle and pharmacology shaping the next decade of longevity care?
Reference here.”
Title: Effects of 2-year cocoa extract supplementation on inflammaging biomarkers in older US adults: findings from the COcoa Supplement and Multivitamin Outcomes Study randomised clinical trial
Authors: Sidong Li, Rikuta Hamaya, Haidong Zhu, Allison Clar, Pamela M Rist, Ying Huang, JoAnn E Manson, Howard D Sesso, Yanbin Dong
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