Beef for brain health? new study tests daily steak against dementia markers

NCT ID NCT07623785

Recruiting now Knowledge-focused Sponsor: South Dakota State University Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study is testing whether eating 5.5 ounces of lean beef every day for two weeks can improve blood markers linked to brain health in adults aged 65 and older. Twenty healthy older adults will eat beef for one phase and a non-beef protein source for another, with blood, urine, and stool samples collected to measure changes. The goal is to see if a simple food like beef can help protect against age-related cognitive decline.

What this could mean

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

Active substance: lean beef
What this could lead to: If it works, this could point toward a simple dietary change to help preserve memory and brain function in older adults.
What could go wrong: This is a very small, short-term study with only 20 participants. It looks at blood markers, not actual memory or thinking ability, so any benefits are uncertain.

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Conditions

The condition(s) this trial relates to.

Plaque, Amyloid

As listed by the trial registrant

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

BRAIN HEALTH CARDIOMETABOLIC HEALTH COGNITIVE DECLINE PREVENTION IN ROBUST OLDER ADULTS HEALTHY AGING NORMAL AGING

Contacts and locations

Locations

South Dakota State University
RECRUITING

Brookings, South Dakota, 57007, United States

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