Could a daily cocoa drink help keep blood vessels young?

NCT ID NCT07747714

Not yet recruiting Disease control Sponsor: The Black Forest LLC Source: ClinicalTrials.gov ↗

First seen Aug 05, 2026 · Last updated Aug 06, 2026 · Updated 1 time

Summary

This trial tests whether taking a daily cocoa flavanol supplement for 4 to 8 weeks can improve blood vessel function and reduce inflammation in healthy men aged 30 to 75. Half the participants will receive the flavanol supplement, while the other half gets a low-flavanol control powder. Researchers will measure changes in blood markers related to inflammation, oxidative stress, and vascular health to see if the flavanols make a difference.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Cocoa flavanol supplement
What this could lead to: If daily cocoa flavanols improve markers of blood vessel health and reduce inflammation, this could support their use as a simple dietary supplement to support cardiovascular wellness in healthy adults.
What could go wrong: This is a small, short-term study in generally healthy men, so any benefits may not apply to women, people with health conditions, or long-term outcomes. The supplement may also have no measurable effect on the markers being tested.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

inflammatory disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ENDOTHELIAL FUNCTION INFLAMATION OXIDATIVE STRESS VASCULAR HEALTH

Contacts and locations

Locations

Black Forest Supplements (The Black Forest LLC)

Miami, Florida, 33166, United States
Power Wellness Spot

Miami, Florida, 33166, United States

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