Reporter brief
Effect of a Pulse-based USDA-diet on Gut Microbial Metabolites and Biomarkers of Healthspan: A 18-week Randomized Controlled Crossover Feeding Study in Older Adults
What happened
Trial registry update: COMPLETED. No results reported in the supplied registry record.
Why it matters
Assessment pending; this report does not establish a change in evidence.
What it does NOT prove
- The abstract does not report actual results—only the study design and hypothesis. No effect sizes, statistical significance, or outcome data are provided, making it impossible to determine whether the intervention had any measurable impact on the measured biomarkers.
- The crossover design, while reducing between-participant variability, does not establish causation and cannot isolate whether observed changes result from the dietary intervention itself, microbiota changes, or other factors.
- The study's focus on biomarkers rather than clinical endpoints means it cannot demonstrate that these changes translate to improved healthspan, reduced chronic disease risk, or longevity in humans.
Study design and sample
Rct; Human.
Older adults
- Design
- Rct
- Sample
- —
- Journal
- South Dakota State University
- Published
- Sep 17, 2026
Effect size
Not recorded.
Caveats
- Assessment: Unassessed.
- Only the source material recorded on this evidence page was assessed.
Conflicts and funding
Not recorded.
Previous evidence
See the Protein restriction timeline and recorded assessment for prior evidence.
Primary source
Cancel Death charts and briefs may be reproduced editorially with attribution to CancelDeath.com. This brief is generated from the primary recorded source facts and assessment. Its review status is shown below; verify quotations against the paper before publication.