Scientists hunt for fruit and veggie fingerprints in your body
NCT ID NCT05621863
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked for markers in blood and urine that show what fruits and vegetables people eat. 300 adults provided samples before and after eating different amounts of produce. The goal is to create an accurate, objective way to measure diet, replacing unreliable food questionnaires.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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USDA ARS Western Human Nutrition Research Center
Davis, California, 95616, United States
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