- Conditions
- Vitamin A Status
- Interventions
- b-carotene, retinyl palmitate, placebo
- Dietary Supplement
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years to 35 Years · Female only
- Enrollment
- 85 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013
- U.S. locations
- 1
- States / cities
- Davis, California
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–8
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- Conditions
- Food Insecurity, Carotenoid Status, Produce Prescription
- Interventions
- Produce boxes
- Other
- Lead sponsor
- Rutgers, The State University of New Jersey
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Newark, New Jersey
- Conditions
- Healthy Nutrition, Pregnancy Related
- Interventions
- Carotenoid Intake, Serum carotenoid concentration
- Other
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- 18 Years to 40 Years · Female only
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Vitamin A Deficiency
- Interventions
- dietary carotenoids, spinach, rice, and synthetic beta-carotene
- Dietary Supplement
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 6 Years to 8 Years
- Enrollment
- 72 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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
- Conditions
- Achievement, Weight Change, Cognition, Fitness, Nutrition Status
- Interventions
- 8-week Physical Activity and Nutrition Program
- Behavioral
- Lead sponsor
- University of Illinois at Urbana-Champaign
- Other
- Eligibility
- 6 Years to 11 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- Bloomington, Illinois
- 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
- Conditions
- Overweight
- Interventions
- High dose vegetable juice, Medium dose vegetable juice, Low dose vegetable juice, Control bottled water
- Other
- Lead sponsor
- USDA Grand Forks Human Nutrition Research Center
- Federal
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Grand Forks, North Dakota