Pecan power: daily nut intake may improve heart, gut, and brain health

NCT ID NCT07227259

Recruiting now Knowledge-focused Sponsor: University of California, Davis Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether eating 2 ounces of pecans daily for 3 months can improve blood fats, inflammation, blood pressure, thinking skills, and gut bacteria in healthy adults aged 45 to 75. Participants will follow two diet periods—one with pecans and one without—and provide blood, stool, and health questionnaires. The goal is to understand how pecans affect overall body metabolism.

What this could mean

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

Active substance: pecan nuts
What this could lead to: If it works, this could show that eating pecans daily supports heart health, metabolism, and brain function in middle-aged and older adults.
What could go wrong: This is a small, early-stage study with only 40 healthy participants, so results may not apply to everyone. Dietary studies are hard to control, and benefits may be modest or not seen.

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As listed by the trial registrant

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

HEALTHY ADULTS

Contacts and locations

Locations

Ragle Human Nutrition Center, UC Davis campus
RECRUITING

Davis, California, 95616, United States

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