Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jul 21, 2026, 7:07 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Nutrient Deficiency
Interventions
DHA blood screening
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Female only
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Collegiate Athlete Study

NCT07631312
Conditions
Iron Deficiency, Iron Deficiency Anemia (IDA), Vitamin D Deficiency, Vitamin D Insufficiency, Low Energy Availability, Bone Density
Interventions
Iron and Vitamin D Deficiencies Correction
Dietary Supplement
Lead sponsor
Morehouse School of Medicine
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Nutrient Deficiency, Pregnancy Related
Interventions
Carotenoid Group, Control Group
Drug · Dietary Supplement
Lead sponsor
Paul S. Bernstein
Other
Eligibility
18 Years and older · Female only
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition, Vision, and Cognition in Sport Study: Beef

NCT04427852
Conditions
Cognitive Change, Nutrient Deficiency, Nutritional Anemia, Visual Spatial Processing, Diet, Healthy, Diet; Deficiency, Dietary Deficiency, Dietary B12 Deficiency, Dietary Zinc Deficiency, Dietary Vitamin B12 Deficiency Anemia, Dietary Deficiency of Selenium and Vitamin E
Interventions
30 day Daily consumption of 1 serving of beef, 30 day Daily consumption of 1 serving of the vegatable protein source
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
College Station, Texas
Completed No phase listed Observational

Prenatal Nutrient Status Study

NCT06156826
Conditions
Pregnancy Related, Nutrient Deficiency
Interventions
Not listed
Lead sponsor
Needed PBC
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
502 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Nutrient Deficiency
Interventions
Pharmavite Nature Made Multi for Him 50+, Placebo
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
45 Years to 75 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Vitamin D Deficiency, Hypovitaminosis A, Vitamin E Deficiency
Interventions
Vitamin D, Vitamin D, Vitamin E, and Vitamin A, Control, 700 mg Calcium
Dietary Supplement
Lead sponsor
Boston University
Other
Eligibility
6 Years to 10 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Phase 2 Interventional Results available

Alii Supplement Study

NCT07271316
Conditions
Nutrient Deficiency, Happiness, Digestive Health, Vulnerability to Disease, Mood Swings, Energy
Interventions
Alii Supplement
Dietary Supplement
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Fort Worth, Texas