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Beef on the menu: could a daily serving boost heart health in older adults?

NCT ID NCT05236374

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

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

Summary

This study looks at whether eating beef every day as part of a heart-healthy diet helps older adults (ages 55-70) absorb zinc better and improves how their blood vessels work. Researchers will measure zinc levels in cells and blood vessel function in 20 participants. The goal is to understand if beef's natural nutrients can support cardiovascular health in people at higher risk for zinc deficiency and heart disease.

What this could mean

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

Active substance
beef protein
What this could lead to
If it works, this could show that including lean beef in a heart-healthy diet helps older adults absorb zinc better and supports blood vessel health.
What could go wrong
This is a very small early-stage study with only 20 participants, so results may not apply to everyone. It is not designed to prove that beef prevents or treats any disease.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2022

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

55 to 70 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Male or postmenopausal female 55-70 years of age * Women: lack of menses for at least two years. * Subject is willing and able to comply with the study protocols. * Subject is willing to participate in all study procedures * Self-reported stable dose of prescribed medications for a minimum of 6 months * BMI 18.5 - 29.9 kg/m2 Exclusion Criteria: * Self-reported use of daily anticoagulation agents including aspirin, NSAIDs * Prescribed metaformin, statins or medications known to interfere with zinc, protein, or lipid metabolism * Vegan, Vegetarians, food faddists or those consuming a non-traditional diet (e.g. Adkins, Keto, Paleo, etc.) * Fruit consumption ≥ 3 cups/day * Regular consumption of strawberries (2-3 servings/week) * Vegetable consumption ≥ 4 cups/day * Coffee/tea ≥ 3 cups/day * Dark chocolate ≥ 3 oz/day * Alcohol intake greater than 2 drinks in a day for men, or 1 drink in a day for women. * Self-reported restriction of physical activity due to a chronic health condition * Self-reported chronic/routine high intensity exercise * Self-reported diabetes * Blood pressure ≥ 140/90 mm Hg * Self-reported renal or liver disease * Self-reported heart disease, which includes cardiovascular events and stroke * Peripheral artery disease Raynaud's syndrome or disease * Inability to properly place or wear the PAT probes or abnormal measurements on pre-screening PAT * Self-reported cancer within past 5 years * Self-reported malabsorption * Unwillingness to stop any supplement use six weeks prior to study initiation, including multivitamin/mineral, powders, herbal, plant or botanical, pro- and prebiotics, and oil supplements. * Smoking, vaping, cannabis use * Current enrollee in a clinical research study.

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Conditions

The condition(s) this trial relates to.

Inflammation inflammatory disease metabolic disease vascular disorder

As listed by the trial registrant

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

Inflammation Metabolic diseases Vascular diseases Zinc deficiency

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University of California, Davis; Department of Nutrition

    RECRUITING

    Davis, California, 95616, United States

More trials for these conditions

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