Not applicableStudy completedNCT02276014What this trial is testingEffect of SNPs in the BCMO1 EnzymeWho this might be right forBeta-carotene BioavailabilityVitamin A Deficiency Newcastle-upon-Tyne Hospitals NHS Trust 85
Not applicableStudy completedNCT00128752What this trial is testingThe CARO Study - Bioefficacy of Beta-Carotene in Oil and in a Mixed Diet in Healthy SubjectsWho this might be right forHealthy Radboud University Medical Center 24
Not applicableStudy completedNCT05319548What this trial is testingPlant Pigments for Human Health: Impact of Lycopene and Anthocyanins on Bioefficacy of Provitamin A Carotenoids From CarrotsWho this might be right forHealthy University of Wisconsin, Madison 12
Not applicableStudy completedNCT06686004What this trial is testingBioavailability TrialWho this might be right forAbsorption, Metabolism and Excretion in Healthy VolunteersBioavailability and AUC Newcastle University 8
Not applicableStudy completedNCT04323826What this trial is testingEffect of the Type and Emulsification of Dietary Fat on the Carotenoids AbsorptionWho this might be right forCarotenoids National University of Singapore 16
Not applicableUnknownNCT05120791What this trial is testingAge Related Effects Consuming Phaeodactylum TricornutumWho this might be right forAgingWell Aging University of Hohenheim 20
Not applicableStudy completedNCT02679794What this trial is testingImpact of Egg Consumption on Carotenoid and Vitamin D Bioavailability in Pre- and Post-menopausal WomenWho this might be right forMenopause Purdue University 20
Not applicableStudy completedNCT03873909What this trial is testingBioavailability of Carotenoids Present in Mamey Sapote (Pouteria Sapota (Jacq.) H. E. Moore & Stearn) FruitWho this might be right forBiological Availability University of Hohenheim 13
Not applicableStudy completedNCT00680355What this trial is testingBioavailability of Golden Rice Carotenoids in HumansWho this might be right forHealthy Tufts University 14
Not applicableStudy completedNCT05840848What this trial is testingEffect of Iron and Zinc Supplementation on B-carotene Bioavailability in Healthy MalesWho this might be right forBioavailability University of Hohenheim 12
Not applicableUnknownNCT02380144What this trial is testingBioavailability of Carotenoids and Flavonoids From Fresh Oranges and Orange Juice.Who this might be right forHealthy University of Hohenheim 12
Not applicableStudy completedNCT00453648What this trial is testingImpact of Consumption of Orange-fleshed Sweet Potatoes on the Vitamin A Status of Bangladeshi Women of Reproductive AgeWho this might be right forVitamin A Deficiency University of California, Davis 130
Early research (Phase 1)Study completedNCT00636038What this trial is testingBioavailability of Yellow Maize Carotenoids in HumansWho this might be right forVitamin A Status Tufts University 8
Not applicableActive Not RecruitingNCT01696773What this trial is testingCarotenoid and Flavonoid Absorption From Red and Tangerine-Type TomatoesWho this might be right forCarotenoid and Flavonoid Absorption Ohio State University 12
Not applicableStudy completedNCT02246985What this trial is testingBioavailability of Carotenoids Added Into Processed FoodsWho this might be right forCardiovascular Disease University of Aberdeen 20
Not applicableStudy completedNCT02373943What this trial is testingThe MULTINUTRIENT Maize Project: Results of Human Feeding TrialWho this might be right forHealthy Institut de Recerca Biomèdica de Lleida 20
Not applicableStudy completedNCT04078646What this trial is testingInfluence of Proteins on the Bioavailability of CarotenoidsWho this might be right forAbsorption; ChemicalsHealthy DietMetabolism Luxembourg Institute of Health 24
Not applicableStudy completedNCT01856816What this trial is testingEffect of Meal Patterning on Carotenoid Absorption From VegetablesWho this might be right forCarotenoidBioavailabilityDietary Modification Purdue University 6
Not applicableUnknownNCT04153968What this trial is testingBioefficacy of Beta-cryptoxanthin From Biofortified MaizeWho this might be right forVitamin A Deficiency Newcastle University 50
Not applicableStudy completedNCT02867488What this trial is testingDose-response Effects of Soybean Oil in Salad Dressing on Carotenoid/Fat-soluble Vitamin Bioavailability in Salad VegetablesWho this might be right forBiological Availability Iowa State University