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ClinicalTrials.gov public records Last synced Oct 18, 2026, 2:41 PM EDT

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Showing 1–24 of 89 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Beetroot juice Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Nitrate and Muscle Power With Aging

NCT03513302
View directory record Official record
Conditions
Aging, Sarcopenia
Interventions
placebo, nitrate
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
65 Years to 79 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Nitrate and Physiological Aging

NCT02593305
View directory record Official record
Conditions
Aging
Interventions
Super Beets, Super Beets Placebo
Dietary Supplement
Lead sponsor
Darren P Casey
Other
Eligibility
18 Years to 85 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Oct 18, 2026, 2:41 PM EDT
Enrolling by invitation Not applicable Interventional

The BEET Diabetes Feasibility Trial

NCT06247514
View directory record Official record
Conditions
Disordered Eating Behaviors
Interventions
The BEET Diabetes Program, Cognitive Behavioral Therapy Guided Self-Help
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 18, 2026, 2:41 PM EDT
Not listed Not applicable Interventional

The Effect of a Dietary Supplement Rich in Nitric Oxide in Patients Diagnosed With Primary Ciliary Dyskinesia.

NCT04489472
View directory record Official record
Conditions
Primary Ciliary Dyskinesia
Interventions
Beet-it Juice
Dietary Supplement
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
4 Years to 99 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 12, 2023 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety Evaluation of a Diet and Nutritional Supplementation Program- Purify 2.0

NCT03685552
View directory record Official record
Conditions
Gastrointestinal Symptoms
Interventions
Prog: Purify-2
Other
Lead sponsor
Nature's Sunshine Products, Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lehi, Utah
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Inorganic Nitrate: Sex Differences in Muscle Contractile Function and Efficiency

NCT04588740
View directory record Official record
Conditions
Healthy
Interventions
concentrated beet root juice, Placebo beet root juice
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 34 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Phase 2 Interventional

Effect of Inorganic Nitrates (Beetroot Juice) on Arterial Hemodynamics and Exercise Capacity

NCT01919177
View directory record Official record
Conditions
Heart Failure With Normal Ejection Fraction
Interventions
Nitrate rich beetroot juice, Nitrate depleted beetroot juice
Dietary Supplement
Lead sponsor
Corporal Michael J. Crescenz VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 28, 2015 · Synced Oct 18, 2026, 2:41 PM EDT
Withdrawn Phase 2 Interventional

Use of Kudzu Extract in the Study of Its Ability to Reduce Alcohol Drinking in Treatment Seeking Alcohol Dependent Persons

NCT01853293
View directory record Official record
Conditions
Alcohol Abuse, Alcohol Dependence, Heavy Drinking Days
Interventions
Kudzu extract, Placebo, Medical Management
Drug · Behavioral
Lead sponsor
Mclean Hospital
Other
Eligibility
21 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2015 · Synced Oct 18, 2026, 2:41 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Exercise Fatiguability in Older Adults: The Protective Effects of Dietary Nitrate Supplementation

NCT05313490
View directory record Official record
Conditions
Aging
Interventions
Beetroot Juice, Placebo Beetroot Juice
Dietary Supplement · Other
Lead sponsor
Marquette University
Other
Eligibility
60 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 24, 2022 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Inorganic Nitrate and OSA

NCT03930563
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Pre-beetroot juice supplementation, Post-beetroot juice supplementation
Dietary Supplement
Lead sponsor
University of Iowa
Other
Eligibility
30 Years to 70 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nitrate Supplementation and Muscle Blood Flow

NCT03459027
View directory record Official record
Conditions
Vasodilation, Blood Pressure, Active Hyperemia, Aging
Interventions
Super Beets, Beetroot powder
Dietary Supplement
Lead sponsor
University of Iowa
Other
Eligibility
60 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 9, 2019 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Postmenopausal Women and Their Endothelium

NCT03644472
View directory record Official record
Conditions
Postmenopausal Women
Interventions
nitrate rich beetroot juice, nitrate depleted beetroot juice
Drug
Lead sponsor
Penn State University
Other
Eligibility
Up to 70 Years · Female only
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Slowly Digestible Carbohydrates and the Ileal Brake

NCT03630445
View directory record Official record
Conditions
Obesity, Diabetes Mellitus, Type 2, Appetitive Behavior
Interventions
Isomaltooligosaccharides (IMOs), Xtend® sucromalt, Combination of IMOs and Xtend® sucromalt, Raw corn starch, Maltodextrin
Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 10, 2021 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Not applicable Interventional

Effect of Beet Juice Supplementation on Vascular and Inspiratory Muscle Function

NCT04920799
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Nitrate rich beetroot juice, Nitrate depleted beetroot juice
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
60 Years to 85 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Early Phase 1 Interventional

Nitrate Supplementation and Cerebrovascular and Cognitive Function in Metabolic Syndrome

NCT05532423
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Beetroot Juice - Active, beetroot juice - Placebo
Drug
Lead sponsor
Penn State University
Other
Eligibility
55 Years to 75 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Oct 18, 2026, 2:41 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Acute Effects of Beet Juice Consumption on Exercise Capacity in Heart Failure

NCT01946542
View directory record Official record
Conditions
Heart Failure
Interventions
beet juice concentrate, placebo
Drug · Other
Lead sponsor
Jason Allen, Ph.D.
Other
Eligibility
55 Years to 90 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Nitric Oxide Supplementation Product on Endothelial Dysfunction and Prehypertensive Adults

NCT03895749
View directory record Official record
Conditions
Hypertension
Interventions
NEO40 Daily
Dietary Supplement
Lead sponsor
Hypertension Institute, Nashville
Other
Eligibility
18 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 30, 2019 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Phase 2 Interventional Results available

Nitrite Supplementation in Long COVID Patients

NCT05618574
View directory record Official record
Conditions
Long COVID, Cardiorespiratory Fitness
Interventions
140 ml per day of Beet-It nitrate beverage (James White Drinks Ltd., Ipswich, UK), 210 ml of nitrate-depleted placebo
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Phase 2 Interventional Results available

Dietary Nitrate and Exercise to Augment Exercise Training Benefits in Subjects With DM+PAD

NCT01785524
View directory record Official record
Conditions
Peripheral Arterial Disease, Type II Diabetes Mellitus
Interventions
Beetroot Juice (Beet-It Stamina Shot) and Exercise Training, Placebo Comparator Beverage (Beet-It Stamina Shot) & Exercise Training
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
50 Years to 80 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy Long-term Dietary Nitrate Consumption to Plasma Nitrite Conversion

NCT05380167
View directory record Official record
Conditions
Cardiovascular Diseases in Old Age
Interventions
BRJ Nitrate, BRJ Placebo
Dietary Supplement
Lead sponsor
Wake Forest University
Other
Eligibility
40 Years to 80 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Oct 18, 2026, 2:41 PM EDT
Recruiting Phase 3 Interventional

SMART Exercise for PAD

NCT06032065
View directory record Official record
Conditions
Peripheral Arterial Disease, Aging, Peripheral Vascular Diseases, Walking, Difficulty
Interventions
Supervised Treadmill Exercise, Home-Based Exercise, Nitrate-rich beetroot Juice
Behavioral · Dietary Supplement
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
3
States / cities
Chicago, Illinois • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Not applicable Interventional

Open Label Clinical Trial of Vascanox® HP on Nitric Oxide and Blood Pressure

NCT05928676
View directory record Official record
Conditions
Hypertension, Elevated Blood Pressure
Interventions
Vascanox® HP
Dietary Supplement
Lead sponsor
Calroy Health Sciences
Industry
Eligibility
25 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 2, 2023 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Phase 2 Interventional Results available

Randomized Study of Beet Root in Locally Advanced Squamous Cell Cancer of the Head and Neck

NCT02058849
View directory record Official record
Conditions
Mucositis
Interventions
Beetroot, Placebo
Drug · Other
Lead sponsor
David Travis Thomas
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 14, 2019 · Synced Oct 18, 2026, 2:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Beet Supplementation, Exercise, Inflammation

NCT05907135
View directory record Official record
Conditions
Inflammatory Response, Metabolic Disturbance, Immune Suppression
Interventions
Beet, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
18 Years to 60 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 20, 2023 · Synced Oct 18, 2026, 2:41 PM EDT