Not applicableStudy completedNCT03741218What this trial is testingGrape Polyphenols and Second-meal EffectWho this might be right forObesity National Research Council, Spain 25
Not applicableStudy completedNCT02063646What this trial is testingEffect of a Polyphenol-rich Food Supplement on Cognitive Function in Healthy Aging AdultsWho this might be right forHealthy Elderly Neurophenols Consortium 204
Testing effectiveness (Phase 2)Ended earlyNCT04400890What this trial is testingRandomized Proof-of-Concept Trial to Evaluate the Safety and Explore the Effectiveness of Resveratrol, a Plant Polyphenol, for COVID-19Who this might be right forCOVID-19 Marvin McCreary, MD 105
Not applicableLooking for participantsNCT07501377What this trial is testingEffects of a 6-months Fiber- and Polyphenol-rich Diet on Brain Inflammatory Processes in Perimenopausal Women Living With Overweight or ObesityWho this might be right forOverweight and/or ObesityPerimenopausal Women Max Planck Institute for Human Cognitive and Brain Sciences 120
Not applicableStudy completedNCT03053986What this trial is testingEffect of Apple Polyphenols on Vascular Oxidative Stress and Endothelium Function Study (APP trial_2016)Who this might be right forEndothelial Dysfunction University of Bologna 62
Not applicableLooking for participantsNCT06507254What this trial is testingPolyphenols and Cognitive DeclineWho this might be right forCognitive DeclineCognitive Dysfunction University of California, Los Angeles 300
Not applicableStudy completedNCT07265869What this trial is testingCan Cocoa Flavanols Protect Endothelial Function During Prolonged Sitting in Healthy Older Adults?Who this might be right forHealthyAgeing University of Birmingham 20
Not applicableStudy completedNCT05927103What this trial is testingDifferences Between Coffee and Non-coffee Drinkers in the Gut Microbiome and Microbiota-Gut-Brain AxisWho this might be right forHealthy University College Cork 62
Not applicableStudy completedNCT01208363What this trial is testingImproving Iron Status Through Consumption Of Iron Fortified Cowpea: An Intervention StudyWho this might be right forAnemiaLow Iron Stores Wageningen University 240
Not applicableStudy completedNCT05755152What this trial is testingFruit-based Chewing Gums for Improving Oral HealthWho this might be right forOral Health University of Wisconsin, Madison 10
Not applicableUnknownNCT06440512What this trial is testingThe Effect of Chocolate on Vascular Function of Endurance RunnersWho this might be right forVascular Function Aristotle University Of Thessaloniki 50
Early research (Phase 1)Study completedNCT00099476What this trial is testingEffects of Dark Chocolate on Insulin Sensitivity in People With High Blood PressureWho this might be right forHypertension National Center for Complementary and Integrative Health (NCCIH) 65
Not applicableStudy completedNCT02116816What this trial is testingAbsorption Profiles of Three Polyphenol Preparations With and Without Pollen Shell CoveringWho this might be right forPolyphenols Absorption Profile Hull University Teaching Hospitals NHS Trust 40
Not applicableStudy completedNCT01766570What this trial is testingBeneficial Effects of a Polyphenol Enriched Beverage on Type 2 Diabetes Prevention and on Cardiovascular Risk Profile of Men and Women With Insulin Resistance.Who this might be right forDiabetesCardiovascular Disease Laval University 60
Not applicableStudy completedNCT00492713What this trial is testingPolyphenol Bioavailability From ChocolateWho this might be right forHealthy Société des Produits Nestlé (SPN) 18
Not applicableStudy completedNCT04697589What this trial is testingAcute Effect of a Proprietary Botanical Blend Rich in Polyphenols on Flow-mediated Dilation in Healthy SubjectsWho this might be right forHealthy Activ'inside 18
Testing effectiveness (Phase 2)Ended earlyNCT01102140What this trial is testingThe Impact of Pomegranate Extract on Chronic Cardiomyopathy Complicated by Renal Insufficiency (ImPrOVE): a Pilot StudyWho this might be right forCardiomyopathyHeart Failure Jennifer Cowger , MD, MS 20
Not applicableUnknownNCT02291250What this trial is testingEffect of Soft Fruit on Postprandial Blood GlucoseWho this might be right forType 2 Diabetes University of Aberdeen 16
Not applicableStudy completedNCT02472171What this trial is testingSuppression of Postprandial Monocyte Activation by Blueberries or Docosahexaenoic Acid in HumansWho this might be right forInflammation USDA, Western Human Nutrition Research Center 62
Testing effectiveness (Phase 2)Study completedNCT01916239What this trial is testingPomegranate Extract Supplementation in Colorectal Cancer PatientsWho this might be right forColorectal Cancer National Research Council, Spain 60