| Not Yet Recruiting | Video Home Visits for Dietary Counselling NCT04634851 | University of California, San Francisco | N/A |
| Not Yet Recruiting | Sports Nutrition Assessment Program NCT07104669 | University of Alicante | — |
| Recruiting | COVID-19 Health Adjustments in Nutrition, General Wellness, and Exercise NCT07128095 | Indiana University | — |
| Enrolling By Invitation | Nutrition Apps in Occupational Healthcare (Pilot Study of the FOODNUTRI Project) NCT06923735 | University of Eastern Finland | N/A |
| Enrolling By Invitation | Maternal Control of the Child's Feeding, Child's Eating Behavior and Early Childhood Caries in Preschoolers NCT06898918 | Ain Shams University | — |
| Recruiting | Take the Reins: The Effects of Nutrient Timing on Cancer-related Fatigue NCT06482515 | University of Maryland, Baltimore | Phase 2 |
| Completed | Adolescent Polycystic Ovary Syndrome on a Low-carbohydrate Diet NCT06429618 | Etlik Zubeyde Hanım Women's Health Care, Training and Research Hospital | — |
| Completed | The Results of the Mediterranean Diet for PCOS NCT06442189 | Etlik Zubeyde Hanım Women's Health Care, Training and Research Hospital | — |
| Completed | Effect of Antimullerian Hormone Levels on the Inflammatory Index, Phytochemical Index and NRF Nutrient Density NCT06426771 | Etlik Zubeyde Hanım Women's Health Care, Training and Research Hospital | — |
| Not Yet Recruiting | Buffering Capacity of Matcha Green Tea on Salivary PH After an Acidic Attack NCT06562699 | NewGiza University | N/A |
| Enrolling By Invitation | Polish Infants and Toddler Nutritional Study NCT06417151 | Fundacja Nutricia | — |
| Not Yet Recruiting | Assessment of the Effect of Restriction on Alimentary AGE in Progression of Chronic Kidney Disease NCT04827290 | Centre Hospitalier Saint Joseph Saint Luc de Lyon | N/A |
| Recruiting | Technology-enabled Anticipatory Guidance and Peer Support in Empowering Parents to Prevent Early Childhood Car NCT06558955 | National University of Singapore | N/A |
| Recruiting | Adapting Food Culture to the Mediterranean Pattern for International Students in Italy NCT06474936 | University of Pavia | N/A |
| Recruiting | Micronutrient and Additive Modifications May Optimize Diet To Health NCT05743374 | Region Skane | N/A |
| Unknown | Observational Study of the Association Between Food Intake and Endometrial Polyps NCT06295510 | qinxiu zhang | — |
| Recruiting | Rheumatology Diet Study NCT06339957 | University of Central Florida | — |
| Recruiting | Project humAn dieTary daTa rEtuRN NCT06266689 | Duke University | N/A |
| Completed | Dietary Protein Preferences of Adolescent Athletes NCT06704477 | PepsiCo Global R&D | — |
| Completed | Impact of Convenience on Whole Grain Consumption NCT06160258 | Washington State University | N/A |
| Terminated | SAFE-LCD Trial, for Insulin-treated Adults Living With Type 2 Diabetes NCT06119204 | Oviva UK Ltd | N/A |
| Active Not Recruiting | iSIPsmarter: A Pilot RCT to Evaluate a Web-based Behavioral Intervention to Reduce Sugary Beverages Among Blac NCT06184737 | University of Virginia | N/A |
| Recruiting | Dietary Salicylates and Preeclampsia NCT06239363 | Poznan University of Life Sciences | — |
| Completed | Ultra-Processed Foods and Executive Function NCT06518863 | Oklahoma State University | N/A |
| Unknown | Jodkids: a Study of Iodine Intake Among Children Aged 2-10 Years NCT06234982 | DTU National Food Institute | — |
| Unknown | SMART GOALS for Youth With Prediabetes NCT06067451 | Northwell Health | N/A |
| Completed | Nutrition, Physical Activity, Mediterranean Diet Adherence, and Children's Oral Health NCT06130189 | Ankara Medipol University | — |
| Enrolling By Invitation | FoodSEqual Food Study NCT05907889 | University of Reading | — |
| Unknown | Daily Blood Glucose Trends in Patients at Risk for Diabetes NCT06000735 | Karol E. Watson, MD | N/A |
| Not Yet Recruiting | Effect of Low-Calorie Diet and Lifestyle Intervention on Reversal of T2DM NCT05925946 | Diabetes Foundation, India | N/A |
| Unknown | Exploring the Mechanism of Dietary Pattern Improving MAFLD NCT05960396 | Second Affiliated Hospital, School of Medicine, Zhejiang University | N/A |
| Completed | Generation Healthy Kids: A Cluster-randomized Trial of a Multi-component, Multi-setting Intervention NCT05940675 | University of Copenhagen | N/A |
| Completed | Distinct Sources of Supplementary Protein in the Resistance Exercise Training-induced Adaptations NCT05710614 | University of Sao Paulo General Hospital | N/A |
| Unknown | The Southern Italian Children, Adolescents and PaRents COhort Study on Nutrition and Health NCT05784376 | Neuromed IRCCS | — |
| Completed | The Effects of the MIND Diet on Oxidative Stress, Inflammation and Neurodegenerative Risk Biomarkers NCT05982860 | Bartu Eren Güneşliol | N/A |
| Unknown | ENRICH Nurse-Family Partnership Study NCT05798039 | University of Colorado, Denver | N/A |
| Recruiting | Building Access to Food Through Systems and Solidarity NCT05381766 | NYU Langone Health | N/A |
| Completed | How Type I Diabetes Responds to Different Diets (Normoglucidic or Ketogenic) During Physical Activity at Altit NCT06242548 | Centre Hospitalier Metropole Savoie | N/A |
| Unknown | Fiber's Utilization for Energy and Life NCT05934357 | University of Illinois at Urbana-Champaign | N/A |
| Completed | "Grow Well: Addressing Childhood Obesity in Low-income Families" NCT05885581 | University of California, Riverside | N/A |
| Active Not Recruiting | ARIADNE: A Study of Weight Loss for Diabetes Treatment and Wellbeing NCT05744232 | University of Oxford | N/A |
| Completed | Women's Health Food Frequency Questionnaire NCT05843942 | Hacettepe University | — |
| Active Not Recruiting | Discovery of Biomarkers of Intake of of Highly Consumed Foods in Mexico NCT06449170 | Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran | N/A |
| Recruiting | Exogenous and Endogenous Risk Factors for Early-onset Colorectal Cancer NCT05732623 | San Raffaele University | — |
| Unknown | Chestnut Consumption on Modulation of Gut Microbiota and Metabolic Parameters NCT05705960 | Universidade Nova de Lisboa | N/A |
| Completed | Supporting Cardiac Rehabilitation With eNutriCardio NCT05449769 | University of Reading | N/A |
| Completed | Arbutus Berry - Intervention Study to Evaluate the Modulation of Intestinal Microbiota and Metabolic Parameter NCT05810922 | Universidade Nova de Lisboa | N/A |
| Unknown | ZOE-AFFIRM: Relative Validation of a Novel Food Frequency Questionnaire NCT05612997 | King's College London | — |
| Unknown | Chemerin in Colorectal Cancer and Its Relationship With Diet Quality NCT06018077 | Hacettepe University | — |
| Completed | The Effect of Double Duty Interventions on Double Burden of Malnutrition Among School Adolescents in Ethiopia NCT05574842 | Debre Berhan University | N/A |
| Completed | Piloting a Web-based Personalised Nutrition App (eNutri) with UK University Students NCT05544461 | University of Reading | N/A |
| Completed | DEMETRA - ADVICE-002-2022 NCT05394779 | Advice Pharma Group srl | N/A |
| Completed | Culturally Optimized Messages for Latinos NCT05589740 | Harvard School of Public Health (HSPH) | N/A |
| Unknown | Adaptations of Exercise Energy Metabolism in Response to Weight Loss in Healthy Normal Weight People NCT05370222 | University Hospital, Clermont-Ferrand | N/A |
| Completed | Pilot Subsidized and Culturally-adapted Community Supported Agriculture (CSA) Program NCT06521411 | NYU Langone Health | N/A |
| Unknown | Survey About Diet in Chronic Inflammatory Rheumatic Diseases NCT05283096 | Poitiers University Hospital | — |
| Recruiting | Mediterranean Diet and Weight Loss: Targeting the Bile Acid/Gut Microbiome Axis to Reduce Colorectal Cancer NCT04753359 | University of Illinois at Chicago | N/A |
| Completed | Walnuts and Colon Health NCT05195970 | UConn Health | N/A |
| Unknown | Dry Eye Response to Interval Exercise and Mediterranean Diet NCT05248698 | Cairo University | N/A |
| Completed | Parental Perception of Child's Weight and Childhood Obesity NCT04902677 | Fundació Sant Joan de Déu | — |
| Enrolling By Invitation | Preventing Cognitive Decline: The CITA GO-ON Multi-domain Intervention Study NCT04840030 | Fundacion CITA-alzheimer | N/A |
| Unknown | Advanced Glycation End Products and Dietary Intervention in Polycystic Ovary Patients NCT05830487 | Hacettepe University | N/A |
| Completed | Dietary Practices and Metabolic Syndrome in the Young Adult Population of Rwanda NCT04204538 | University Ghent | — |
| Completed | Anti-inflammatory Diet Consultation for Those With Neuromuscular Disability NCT05881122 | Brock University | N/A |
| Recruiting | Body Composition, Growth, and Maturation of Triathletes NCT06534567 | University of Alicante | — |
| Completed | Impact of Behavioral Economic Strategies on Low-Income Older Adults' Food Choices in Online Retail Settings NCT04766034 | NYU Langone Health | N/A |
| Completed | Models of Nutrition From Continuous Glucose Monitors NCT04991142 | Texas A&M University | — |
| Completed | Pragmatic Research in Healthcare Settings to Improve Diabetes and Obesity Prevention and Care for Our Program NCT04420936 | University of Utah | N/A |
| Completed | The Danish National Survey of Diet and Physical Activity 2021-2024 NCT04314882 | Technical University of Denmark | — |
| Completed | iSIPsmarter: An RCT Evaluating the Efficacy of a Technology-Based Intervention to Reduce Sugary Drinks in Rura NCT05030753 | University of Virginia | N/A |
| Completed | Pilot Test of a Healthy Metabolic Behaviour Tool NCT04582643 | KK Women's and Children's Hospital | N/A |
| Unknown | Diet Quality and Coronary Artery Calcification in Adults With Heterozygous Familial Hypercholesterolemia NCT04837638 | Laval University | — |
| Completed | Collaborative and Adaptive Recommender for Personalized DIEt Management NCT04992338 | Fundació Eurecat | N/A |
| Completed | PREMIER: PREvention of Metabolic Illness Through prEcision nutRition NCT04148482 | Massachusetts General Hospital | N/A |
| Unknown | EMPOWER Weight Management NCT04635722 | University of Illinois at Urbana-Champaign | N/A |
| Completed | Are There Dietary Factors Affecting the Development of Pancreatitis in Patients With Gallstones? NCT05142657 | Istanbul Training and Research Hospital | — |
| Completed | Validation of the eNutri Food Frequency Questionnaire for Adults Aged 65 y and Older NCT04761575 | University of Reading | — |
| Completed | Assessing Adherence to Digital Health Technologies Among Hispanic/Latino Adults With or At Risk of Type 2 Diab NCT04820348 | Sansum Diabetes Research Institute | — |
| Completed | The OPTIMISE Intervention for Reducing Meat Consumption in UK Adult Meat-eaters NCT04961216 | University of Oxford | N/A |
| Completed | Intermittent Fasting and CLL/SLL NCT04626843 | Eleah Stringer | Phase 1 |
| Unknown | A Digital Approach to Improving Carbohydrate Periodisation Behaviours in Athlete: SMART+ Study NCT04487015 | Liverpool John Moores University | N/A |
| Terminated | TO ASSESS THE EFFECTIVENESS OF THE INTERVENTION OF THE LOW-SODIUM DIET IN PATIENTS WITH HTA NCT04677322 | Instituto de Investigación Marqués de Valdecilla | — |
| Completed | First Heroes: Engaging Fathers in the First 1000 Days NCT04477577 | Massachusetts General Hospital | N/A |
| Completed | Time of Day Effect on Pesticides Metabolism and Toxicity NCT04177030 | Cyprus University of Technology | N/A |
| Recruiting | Personalized Responses to Dietary Composition Trial 3 NCT04735835 | Zoe Global Limited | N/A |
| Unknown | Eating and Physical Activity Patterns of the Population Working in the Uruguayan State Electrical Company. NCT04509908 | Administración Nacional de Usinas y Transmisiones Eléctricas | — |
| Completed | Efficacy of Prebiotic and Probiotic Dietary Modulation in Schizophrenic Disorders NCT04366401 | Universidad de Córdoba | N/A |
| Unknown | Metabolic and Prolonged Satiety Effects of a Breakfast Kit NCT04417504 | Universidade do Porto | N/A |
| Completed | The UnProcessed Pantry Project (UP3) NCT04241133 | Montana State University | N/A |
| Completed | Evaluating a Healthy Restaurant Kids Meals Policy NCT04330235 | Johns Hopkins Bloomberg School of Public Health | — |
| Completed | Vegetables Intake and Polymorphism TAS2R38 Gene by Healthy Adults NCT04145453 | Poznan University of Life Sciences | N/A |
| Completed | High-Protein Food Snack for Dialysis Patients NCT04134377 | University of Florida | N/A |
| Completed | Internal Cues Versus External Cues for Eating and Activity NCT04025099 | University of Delaware | N/A |
| Completed | Effect of Diet on the Microbiota / Endoccanabinoidome Axis in Response to Physical Activity NCT04766528 | Laval University | N/A |
| Completed | Biomarkers of Food Intake Using a Cross-over Feeding Study NCT03855098 | University College Dublin | N/A |
| Unknown | Genetics of Bitter and Fat Taste NCT04038281 | St Mary's University College | — |
| Terminated | Measurements From Stool to Support Dietary Change NCT04037306 | Duke University | N/A |
| Completed | Diet, Physical Activity, and Sleep Habits NCT04035421 | The University of Tennessee, Knoxville | — |
| Completed | PREDICT 2: Personalized Responses to Dietary Composition Trial 2 NCT03983733 | Zoe Global Limited | N/A |
| Completed | Supplementation of a Leucine-enriched Protein Blend NCT03796897 | McMaster University | EARLY_Phase 1 |
| Completed | Ellagic Acid, Urolithin and Colonic Microbial Communities Affected by Walnut Consumption NCT04066816 | UConn Health | N/A |
| Completed | Healthy Eating Education for Latinos NCT04724382 | Harvard School of Public Health (HSPH) | N/A |
| Completed | The Genetic Effects of rs7903146 and Dietary Intake on Type 2 Diabetes Mellitus Risk in a Healthy Population NCT04446754 | St Mary's University College | — |
| Completed | Individualized Diet Improvement Program for Weight Loss and Maintenance, Cohort 2 NCT04605640 | University of Illinois at Urbana-Champaign | N/A |
| Recruiting | Psychosocial, Environmental, and Chronic Disease Trends in Puerto Rico NCT03794531 | Harvard School of Public Health (HSPH) | — |
| Completed | Diabetes Type 2 in the Eastern Region of Morocco NCT04281069 | Universiteit Antwerpen | — |
| Completed | Healthy Meals: A Restaurant-based Study to Promote Healthy and Allergy Adapted Diet NCT03826576 | University Rovira i Virgili | N/A |
| Completed | Dietary Habits and Lifestyle of Nonagenarians and Centenarians in the Italian Abruzzo Region NCT04840381 | University of Teramo | — |
| Active Not Recruiting | Personalizing Mediterranean Diet in Children. NCT03627923 | Weizmann Institute of Science | — |
| Active Not Recruiting | Foods Within a Meal and Food Liking Study NCT03783507 | The University of Tennessee, Knoxville | N/A |
| Completed | Young Adult Beverage and Health Study NCT03814551 | University of California, Davis | — |
| Completed | Healthy Start to Feeding Intervention NCT03597061 | University of Cincinnati | N/A |
| Completed | Text Message Program to Improve Eating Behaviors Among African Americans in New Orleans NCT03913871 | Tulane University | N/A |
| Completed | Performance Nutrition for Residents and Fellows NCT03698123 | Stanford University | N/A |
| Completed | Nutritional Study in Spanish Pediatric Population NCT03941392 | Fundacion Iberoamericana de Nutricion | — |
| Completed | The SEEA (SCI Energy Expenditure and Activity) Study NCT04748835 | Baylor Research Institute | — |
| Completed | Targeted Food Incentives to Improve Diet Quality and Health Among Adults NCT03748056 | University of Rhode Island | N/A |
| Completed | Koa Family: California's Obesity Prevention Project NCT03605888 | University of California, Davis | N/A |
| Unknown | Human Milk Lipid Profile Assessment and Influences of Mother's Diet NCT03808207 | Università degli Studi di Ferrara | N/A |
| Completed | Feasibility and Preliminary Efficacy of Support Figure Attendance at Bariatric Patients' Clinical Visits NCT03642197 | Ohio State University | N/A |
| Completed | Evaluating the Relative Effectiveness of Two Front-of-pack Nutrition Labels NCT03761342 | Duke-NUS Graduate Medical School | N/A |
| Completed | Habitual Diet and Avocado Trial NCT03528031 | Wake Forest University Health Sciences | N/A |
| Unknown | Personalised Responses to Dietary Composition Trial NCT03479866 | Guy's and St Thomas' NHS Foundation Trust | N/A |
| Unknown | Habits, Orthorexia Nervosa and LIfestyle in STudents NCT04252924 | University of Split, School of Medicine | — |
| Unknown | Correlational and Intervention Effects of Egg Consumption on Macular Carotenoids, Cognition, and Achievement D NCT03521349 | University of Illinois at Urbana-Champaign | N/A |
| Completed | Interplay Between Adherence to the Mediterranean Diet, Lipid Profile and Blood Pressure: a Comparative Survey NCT04596358 | University of Bari Aldo Moro | — |
| Completed | Exercise and Diet Intervention Attenuated Inflammation Through ASC Gene and Inflammatory Markers in Obese Adul NCT04315376 | University of Guadalajara | N/A |
| Completed | Individualized Diet Improvement Program for Weight Loss and Maintenance, Cohort 1 NCT04605653 | University of Illinois at Urbana-Champaign | N/A |
| Completed | Smartphone App to Restore Optimal Weight in Women With Recent Gestational Diabetes NCT03324737 | National University Hospital, Singapore | N/A |
| Completed | A Prospective Randomized Controlled Trial of Mobile Medical Used for Management of Pregnant Women NCT03748576 | Peking Union Medical College Hospital | N/A |
| Completed | Effects of Experiential Learning on Vegetable Intake in Preschool Children NCT03400566 | University of Leeds | N/A |
| Completed | Diet, Eating, and Lifestyle Improvement for Valued Employees and Their Relatives NCT03277040 | University of Pennsylvania | N/A |
| Completed | Dietary Assessment Study Via Digital Images NCT03267004 | The University of Tennessee, Knoxville | N/A |
| Completed | Interaction of Salivary Proteins and Polyphenols NCT03501238 | Purdue University | N/A |
| Recruiting | STOP DIABETES - Knowledge-based Solutions NCT03156478 | University of Eastern Finland | N/A |
| Completed | FTO Gene Variants and Diet in Obesity NCT04205318 | Hacettepe University | — |
| Completed | Insight Into New Brown Adipose Tissue Activators. NCT04787952 | Medical University of Bialystok | — |
| Completed | Mindfulness-Based College: Stage 1 NCT03124446 | Brown University | N/A |
| Completed | Diets, Metabolic Profile and Gut Microbiota Among Indonesian Women in Minangkabau and Sundanese-ethnic Communi NCT03412617 | Rina Agustina | — |
| Completed | The First 1,000 Days Program: Maternal-Child Obesity Prevention in Early Life NCT03191591 | Massachusetts General Hospital | N/A |
| Unknown | Diet Quality and Cognitive Control Function in Early Childhood: A Pilot Study NCT03313245 | University of Illinois at Urbana-Champaign | — |
| Completed | Soft Drinks and Osteoporosis in WHI Participants NCT03371433 | University of California, San Diego | — |
| Completed | Reduced Sulfur Diet in Ulcerative Colitis Patients NCT04474561 | University of Calgary | N/A |
| Completed | The Validation of Various Dietary Assessment Methodologies NCT03364452 | Virginia Polytechnic Institute and State University | — |
| Completed | Effects of Recess Timing and Activity on Children's Eating Behaviors NCT03119506 | University of Illinois at Urbana-Champaign | — |
| Unknown | the Effect of Mobile Medical Used for the Standardized Management of Gestational Diabetes NCT04424238 | Peking Union Medical College Hospital | N/A |
| Completed | Family and Web-based Nutrition Intervention to Increase Vegetable, Fruit, and Dairy Intakes in Children NCT03798808 | Laval University | N/A |
| Completed | Kids FIRST: Family-based Intervention to Reduce Snacking and Screen Time in Children NCT03993652 | Loughborough University | N/A |
| Completed | Tailored Written Lifestyle Feedback in Colorectal Cancer Screening NCT03396029 | Oslo University Hospital | N/A |
| Completed | Sardine-enriched Diet for Prevention Type 2 Diabetes NCT03557541 | Institut d'Investigacions Biomèdiques August Pi i Sunyer | N/A |
| Completed | DIETary Intake, Death and Hospitalization in Adult With End-stage Kidney Disease Treated With HemoDialysis (DI NCT03125265 | Giovanni Strippoli | — |
| Completed | Dietary Guidelines, Portion Sizes, and Time Frame NCT03422939 | Grenoble Ecole de Management | — |
| Unknown | Tongji Maternal and Child Health Cohort NCT03099837 | Huazhong University of Science and Technology | — |
| Completed | Dietary Choice in Active Older Adult Women NCT03082781 | P.L.Shupik National Medical Academy of Post-Graduate Education | N/A |
| Completed | Improving the Impact of Calorie Labeling Policies NCT03892733 | New York City Health and Hospitals Corporation | N/A |
| Completed | A Randomized Comparison Trial Examining the Impact of a Family-based Cooking Workshop NCT04056052 | University of Victoria | N/A |
| Completed | Development of a Total Nutrient Index NCT03400436 | National Institute of Health and Nutrition | — |
| Completed | The Cork and Kerry Diabetes and Heart Disease Study (Phase II) Mitchelstown Cohort NCT03191227 | University College Cork | — |
| Completed | Patient Reported Outcomes of a "Tailored" Bilio-Pancreatic Limb Length on Daily Food Choices in Mini-Gastric B NCT04442139 | Kular Hospital | — |
| Active Not Recruiting | The QUebec Adipose and Lifestyle InvesTigation in Youth (QUALITY) Cohort NCT03356262 | St. Justine's Hospital | — |
| Completed | Healthfulness of Food From Grocery Stores Versus Eating Out Among People Receiving Food Benefits (SNAP) NCT03372213 | University of North Carolina, Chapel Hill | — |
| Completed | Diet Quality Among U.S.-Born and Foreign-born Non-Hispanic Blacks NCT03266497 | Sara C. Folta | — |
| Completed | Diet Quality and LTL in NHANES NCT03302104 | University of California, San Francisco | — |
| Completed | Children's Health Study Diet and Air Pollution NCT03379298 | University of Southern California | — |