🏛️ Verified NIH Record • Updated 2026-02-05
Response of Cardiometabolic Biomarkers and Gut Microbiota to Walnut Consumption (NCT05321277)
🔵 Active, Not Recruiting Observational / Diagnostic 📋 Clinical Research Protocol Sponsor: University of California, Davis
🩺 Plain-English Summary (8th-Grade Level)
The purpose of this research is to test if eating walnuts will cause any changes in blood lipids (like good and bad cholesterol, for example) and levels of inflammation in the blood, as well as changes in the bacteria living in the gut.
Who can join: Review the eligibility criteria below.
Location: Ragle Human Nutrition Center — Davis, California
Age range: 45 Years to 70 Years
🧪 Interventions in This Study
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (1 Sites)
- Ragle Human Nutrition Center — Davis, California
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
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💡 How to Participate
- Check the checklist above to see if you may qualify.
- Review the official NIH record below to find the coordinating site.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.