A handful of pecans a day: Nature's sun shield?

NCT ID NCT06879626

Ongoing Prevention Sponsor: University of California, Los Angeles Source: ClinicalTrials.gov ↗

First seen Jul 31, 2026 · Last updated Jul 31, 2026

Summary

This study tests whether eating 2 ounces of pecans every day for 12 weeks can help the body resist oxidative damage from UV light, compared to eating pretzel snacks. Researchers will measure skin's tolerance to UVB exposure, skin hydration, elasticity, and other characteristics, as well as blood markers of aging and gut bacteria. The trial involves generally healthy women aged 55-75 who follow a typical Western diet.

What this could mean

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

Active substance: Pecans (2 oz daily) compared to pretzel snacks (3.5 oz daily)
What this could lead to: If pecans help protect skin from UV damage and improve aging markers, they could become a simple dietary addition to support healthier aging.
What could go wrong: This is a small, early-stage study, and results may not apply to everyone. Eating pecans daily adds calories, and the benefits are not guaranteed.

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

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for AGING are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

As listed by the trial registrant

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

AGING

Contacts and locations

Locations

UCLA Center for Human Nutrition

Los Angeles, California, 90095, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.