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Showing 1–24 of 42 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: zeaxanthin Clear all
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Yellow Potatoes and Carotenoids

NCT07606001
View directory record Official record
Conditions
Carotenoids
Interventions
Yellow-flesh potatoes, White-flesh potatoes
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 3, 2026, 9:50 AM EDT
Recruiting Phase 1 Interventional

Determine Safety & Recommended Phase 2 Dosing of Zeaxanthin Alone or in Combination w/Pembrolizumab in Patients With Metastatic Cancer

NCT05232409
View directory record Official record
Conditions
Cancer Metastatic, Metastatic Solid Tumor
Interventions
Zeaxanthin, Zeaxanthin Plus Pembrolizumab
Biological · Combination Product
Lead sponsor
Valley Health System
Other
Eligibility
18 Years to 99 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Paramus, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 3, 2026, 9:50 AM EDT
Completed Not applicable Interventional

The Effects of Lutein and Zeaxanthin Supplementation on Vision in Patients With Albinism

NCT02200263
View directory record Official record
Conditions
Ocular Albinism (OA), Oculocutaneous Albinism (OCA)
Interventions
Lutein plus Zeaxanthin, Placebo
Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
12 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 27, 2018 · Synced Sep 3, 2026, 9:50 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Carotenoids for Collision Athletes

NCT06270680
View directory record Official record
Conditions
Head Injury, Carotenoids
Interventions
Vision Edge Pro, Placebo
Drug · Other
Lead sponsor
Penn State University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Sep 3, 2026, 9:50 AM EDT
Completed Not applicable Interventional

Intervention Trial in Early Age-related Macular Degeneration

NCT01694680
View directory record Official record
Conditions
Age-related Macular Degeneration (AMD)
Interventions
Lutein-enriched-egg beverage (NWT-02), Placebo
Dietary Supplement
Lead sponsor
Newtricious R&D BV
Industry
Eligibility
50 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 20, 2016 · Synced Sep 3, 2026, 9:50 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Pistachios and Neural Macular Pigment

NCT05283941
View directory record Official record
Conditions
Macular Degeneration, Retinal Degeneration, Retinal Diseases, Eye Diseases
Interventions
Pistachio Group
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
40 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 8, 2023 · Synced Sep 3, 2026, 9:50 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Lutein, Zeaxanthin, and Meso-Zeaxanthin Supplementation on Skin Carotenoid Concentration: A Six-Month, Placebo-Controlled Crossover Study

NCT06965426
View directory record Official record
Conditions
Macular Degenerative Disease
Interventions
Lutein, Zeaxanthin, and Meso-Zeaxanthin Supplementation
Other
Lead sponsor
Insight Eyecare Specialties, Inc. dba Vision Source Eyecare,
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 3, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of LycoRed Phytonutrient and Vitamin Supplement (a.k.a. LYC-001e) on Ocular Blood Flow

NCT03068377
View directory record Official record
Conditions
Ocular Blood Flow
Interventions
Experimental, Placebo
Dietary Supplement
Lead sponsor
LycoRed Ltd.
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 25, 2019 · Synced Sep 3, 2026, 9:50 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Lutein, Zeaxathin, and Fish Oil Supplementation

NCT06489873
View directory record Official record
Conditions
Cognitive Performance, Age-Related Macular Degeneration, Bone Loss
Interventions
Active Comparator (Lutein, zeaxanthin, and fish oil supplement (LZF), Placebo Comparator
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 45 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Sep 3, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of VisionPure™ on Indices of Vision Health and Cognitive Function

NCT05533658
View directory record Official record
Conditions
Eye Health, Vision, Cognitive Function
Interventions
VisionPure Dietary Supplement, Placebo
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
18 Years to 40 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
3
States / cities
Lutz, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 25, 2023 · Synced Sep 3, 2026, 9:50 AM EDT
Completed No phase listed Observational

Triple Combination Therapy of Choroidal Neovascularization in AMD, a Cost Effect and Efficient Therapeutic Treatment

NCT02287298
View directory record Official record
Conditions
Exudative Macular Degeneration
Interventions
TRIPLE COMBINATION THERAPY
Procedure
Lead sponsor
The Retina Center of St. Louis County, PC
Other
Eligibility
50 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 5, 2016 · Synced Sep 3, 2026, 9:50 AM EDT
Withdrawn Phase 4 Interventional

Augmented Macular Pigment-containing Nutraceutical and Central Visual Function

NCT04676126
View directory record Official record
Conditions
Glaucoma, Glaucoma Eye, Glaucoma, Open-Angle
Interventions
Lumega-Z, Dorzolamide Hcl 2% Oph Soln, Placebo
Dietary Supplement · Drug · Other
Lead sponsor
University of the Incarnate Word
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 3, 2022 · Synced Sep 3, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of a Zeaxanthin Intervention on Visuomotor Function

NCT02017418
View directory record Official record
Conditions
Behavior and Behavior Mechanisms
Interventions
zeaxanthin, combinatory supplement
Dietary Supplement
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 40 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated May 26, 2015 · Synced Sep 3, 2026, 9:50 AM EDT
Completed No phase listed Observational

The Role of Macular Pigment Carotenoids in the Pathogenesis and Treatment of Macular Telangiectasia Type 2 (MacTel)

NCT01354093
View directory record Official record
Conditions
Idiopathic Juxtafoveal Telangiectasia
Interventions
zeaxanthin
Drug
Lead sponsor
Paul S. Bernstein
Other
Eligibility
50 Years to 85 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 22, 2017 · Synced Sep 3, 2026, 9:50 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Eye and Carotenoid Augmentation Research and Evaluation (EyeCARE)

NCT06848101
View directory record Official record
Conditions
Vision, Eye Health
Interventions
Carotenoid Group, Control (placebo) group
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
20 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 25, 2025 · Synced Sep 3, 2026, 9:50 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Goji vs. Fiber on Macular Degeneration

NCT06237127
View directory record Official record
Conditions
Age-Related Macular Degeneration
Interventions
Goji berry, Fiber
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
65 Years to 95 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 3, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhancing Children's Cognitive Function and Achievement Through Carotenoid Consumption

NCT05177679
View directory record Official record
Conditions
Cognitive Change, Achievement, Macular Pigmentation
Interventions
Active supplement, Placebo control
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
8 Years to 10 Years
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 3, 2026, 9:50 AM EDT
Completed Not applicable Interventional

Effect of Omega-3-fatty Acids on Blood Levels Omega-3 Fatty Acids in Patients With Age-related Macular Degeneration

NCT01653184
View directory record Official record
Conditions
Macular Degeneration
Interventions
Omega-3 fatty acid
Dietary Supplement
Lead sponsor
Wills Eye
Other
Eligibility
55 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
4
States / cities
Cherry Hill, New Jersey • Bethlehem, Pennsylvania • Huntingdon Valley, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2016 · Synced Sep 3, 2026, 9:50 AM EDT
Completed Not applicable Interventional

"Night Vision and Carotenoids"

NCT04741763
View directory record Official record
Conditions
Macular Degeneration
Interventions
EyePromise Visual Edge
Dietary Supplement
Lead sponsor
Robert Davis
Other
Eligibility
50 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
North Chicago, Illinois • Oak Lawn, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Sep 3, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of the Effects of a Daily Supplement 4Life Transfer Factor Vista Containing AREDS2 Formula on Skin Carotenoid Levels Using a Non-invasive Detection

NCT07513597
View directory record Official record
Conditions
Skin Carotenoids
Interventions
Dietary Supplement
Other
Lead sponsor
4Life Research, LLC
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Sandy City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 3, 2026, 9:50 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

A Study to Assess the Impact of a Nutritional Supplement on Wellbeing and Nutrient Absorption

NCT06749808
View directory record Official record
Conditions
Nutrition Status
Interventions
Carotenoid Nutritional Supplement, Placebo
Dietary Supplement
Lead sponsor
Pharmanex
Industry
Eligibility
20 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Provo, Utah
Source: ClinicalTrials.gov public record
Updated Dec 30, 2024 · Synced Sep 3, 2026, 9:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Macular Pigment and Glare Disability

NCT00909090
View directory record Official record
Conditions
Vision, Entoptic
Interventions
12 mg Lutein + Zeaxanthin, Visually identical placebo
Dietary Supplement
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 40 Years
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 12, 2020 · Synced Sep 3, 2026, 9:50 AM EDT
Completed Not applicable Interventional Results available

The Zeaxanthin and Visual Function Study

NCT00564902
View directory record Official record
Conditions
Age Related Macular Degeneration, Cognition Disorders
Interventions
3R 3'R Zeaxanthin, Lutein, Lutein and Zeaxanthin
Drug · Dietary Supplement
Lead sponsor
Chrysantis, Inc.
Industry
Eligibility
45 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
North Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 28, 2012 · Synced Sep 3, 2026, 9:50 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Macular Pigment and Visual Performance in Glaucoma Patients

NCT03959592
View directory record Official record
Conditions
Glaucoma
Interventions
Lutein, zeaxanthin and mesozeaxanthin, Placebo
Drug · Other
Lead sponsor
Felipe Medeiros, MD
Other
Eligibility
18 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 2, 2023 · Synced Sep 3, 2026, 9:50 AM EDT