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Goji berry trial hopes to shield aging eyes from vision loss

NCT ID NCT06237127

Recruiting now Prevention Sponsor: University of California, Davis Source: ClinicalTrials.gov ↗

First seen Jul 06, 2026 · Last updated Jul 17, 2026 · Updated 2 times

Summary

This study tests whether eating goji berries five days a week for six months can lower the risk of age-related macular degeneration (AMD) in people aged 65 to 95. Participants will eat 14 grams of goji berries or a fiber supplement and have their eye health, gut bacteria, and other markers measured. The goal is to see if this simple dietary change can protect the macula, the part of the eye responsible for sharp central vision.

What this could mean

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

Active substance
Goji berry
What this could lead to
If it works, this could point toward a simple dietary way to help prevent age-related macular degeneration, a leading cause of vision loss.
What could go wrong
This is a small, early-stage trial with only 60 participants, so results may not apply to everyone. The effect may be modest or no better than fiber alone.

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.

macular degeneration age-related macular degeneration prevention target

As listed by the trial registrant

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

AGE-RELATED MACULAR DEGENERATION

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • UC Davis Eye Center, Tschannen Eye Institute

    RECRUITING

    Sacramento, California, 95817, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

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