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Showing 1–24 of 86 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Beet Clear all
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 23, 2022 · Synced Sep 4, 2026, 4:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Beet-root Juice and PBM Treatments on Muscle Fatigue

NCT05596474
View directory record Official record
Conditions
Health Care Utilization, Healthy Aging
Interventions
Beet-root juice, red-light therapy, Placebo, sham light
Dietary Supplement · Radiation
Lead sponsor
Wake Forest University
Other
Eligibility
65 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Sep 4, 2026, 4:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Juice Types on the Responses to Air Pollution

NCT02027415
View directory record Official record
Conditions
Air Pollution
Interventions
Beet juice, Orange juice
Dietary Supplement
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Sep 4, 2026, 4:34 AM EDT
Completed Not applicable Interventional

A Study to Evaluate the Effects of a Fiber Supplement on Gut Health

NCT07755735
View directory record Official record
Conditions
Gut Health, Bloating, Irregular Bowel Movements, Gastrointestinal Symptoms
Interventions
Active Supplement, Placebo Comparator
Dietary Supplement
Lead sponsor
Belli Welli Inc.
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 4, 2026, 4:34 AM EDT
Active, not recruiting Phase 4 Interventional

Nitrite-boosting Therapy for Improving Physiological Function in Patients With Chronic Kidney Disease

NCT03826147
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Nitrate-rich beetroot juice, Nitrate-depleted beetroot juice
Dietary Supplement
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
30 Years to 80 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 4, 2026, 4:34 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Beetroot Juice for Boosting Immunity During a Time of Stress.

NCT06434181
View directory record Official record
Conditions
Healthy
Interventions
Beetroot Juice, Placebo Control
Dietary Supplement
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 40 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Dallas, Texas • Waco, Texas
Source: ClinicalTrials.gov public record
Updated May 29, 2024 · Synced Sep 4, 2026, 4:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Beetroot Juice and Sleep

NCT05864521
View directory record Official record
Conditions
Healthy
Interventions
Active Beetroot Juice Supplement (aBRJ), Placebo Beetroot Juice Supplement (pBRJ)
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Sep 4, 2026, 4:34 AM EDT
Recruiting Phase 3 Interventional

Improving Mobility After Revascularization in Peripheral Artery Disease

NCT06686121
View directory record Official record
Conditions
Peripheral Artery Disease, Intermittent Claudication, Peripheral Vascular Disease, Mobility Limitation, Revascularization
Interventions
Home Based Exercise, Nitrate Rich Beetroot Juice, Attention Control, Placebo Beetroot Juice Without Nitrate
Behavioral · Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
386 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
7
States / cities
Tucson, Arizona • Downey, California • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Sep 4, 2026, 4:34 AM 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 10, 2025 · Synced Sep 4, 2026, 4:34 AM 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 26, 2017 · Synced Sep 4, 2026, 4:34 AM EDT
Completed Not applicable Interventional

A Clinical Trial to Assess the Impact of an Alcohol Alternative Herbal Tincture on Signs of Stress Anxiety and Sleep Quality.

NCT06505694
View directory record Official record
Conditions
Anxiety, Stress
Interventions
Alcohol Alternative Herbal Tincture (Test Product), Placebo
Dietary Supplement
Lead sponsor
Apothekary
Industry
Eligibility
21 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Sep 4, 2026, 4:34 AM 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 26, 2023 · Synced Sep 4, 2026, 4:34 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Inorganic Nitrate Supplementation on Cerebrovascular Aging and Arterial Stiffness Study

NCT03617302
View directory record Official record
Conditions
Aging, Arterial Stiffness, Endothelial Dysfunction, Hypertension, Cognitive Decline
Interventions
Experimental: Nitrate-containing, Placebo: Nitrate-depleted
Drug
Lead sponsor
Gary L. Pierce, PhD
Other
Eligibility
50 Years to 79 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 4, 2026, 4:34 AM EDT
Recruiting Not applicable Interventional

BEETroot Juice to Reverse Functional Impairment in PAD

NCT05624125
View directory record Official record
Conditions
Peripheral Artery Disease
Interventions
Beetroot juice, Placebo
Other
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
4
States / cities
Chicago, Illinois • Minneapolis, Minnesota • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 4, 2026, 4:34 AM EDT
Completed Not applicable Interventional Results available

Dietary Nitrate Supplementation and Thermoregulation

NCT03506646
View directory record Official record
Conditions
Peripheral Arterial Disease, Peripheral Artery Disease
Interventions
Placebo, Beet root juice
Dietary Supplement
Lead sponsor
University of Nebraska
Other
Eligibility
50 Years to 85 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Sep 4, 2026, 4:34 AM EDT
Not listed Phase 1 Interventional

The Effects of Oral Inorganic Nitrate Supplementation on Lower Limb Perfusion During Exercise in Patients With PAD

NCT05036213
View directory record Official record
Conditions
Peripheral Arterial Disease, Peripheral Vascular Diseases
Interventions
BEET IT - Concentrate Beet root juice, BEET IT - Concentrate Beet root juice (nitrate depleted)
Drug
Lead sponsor
University of Virginia
Other
Eligibility
40 Years to 80 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Sep 4, 2026, 4:34 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Low-dose Iron Supplementation and Markers of Iron Status Among Non-anemic, Iron-deficient Women

NCT02683369
View directory record Official record
Conditions
Non-anemic Iron Deficiency
Interventions
Blood Builder®/Iron Response®
Dietary Supplement
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 15, 2019 · Synced Sep 4, 2026, 4:34 AM EDT
Recruiting Not applicable Interventional

Nitric Oxide (NO) and Endothelial Dysfunction in Women With PTSD

NCT07485231
View directory record Official record
Conditions
Post Traumatic Stress Disorder, Trauma
Interventions
Beetroot Juice, Placebo Juice
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Sep 4, 2026, 4:34 AM 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 27, 2015 · Synced Sep 4, 2026, 4:34 AM EDT
Completed Phase 2 Interventional

Alkontrol-herbal Effects on Alcohol Drinking

NCT03099590
View directory record Official record
Conditions
Alcohol Drinking, Alcohol Use Disorder, Alcohol Abstinence
Interventions
kudzu extract, puerarin, Placebo control
Dietary Supplement
Lead sponsor
Mclean Hospital
Other
Eligibility
21 Years to 60 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Sep 4, 2026, 4:34 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Adjuvant Nitrate to Boost Exercise-induced Health Benefits in Older Adults

NCT07572266
View directory record Official record
Conditions
Aging, Aging Well, Healthy Aging
Interventions
Nitrate enriched beetroot juice, Nitrate depleted beetroot juice, 12 week of combined exercise training
Dietary Supplement · Other
Lead sponsor
Florida Institute for Human and Machine Cognition
Other
Eligibility
60 Years and older
Enrollment
226 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2031
U.S. locations
1
States / cities
Pensacola, Florida
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 4, 2026, 4:34 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effect of Beetroot Juice on Blood Pressure Regulation in Post Menopausal Women

NCT03380000
View directory record Official record
Conditions
Postmenopausal Women
Interventions
Beetroot juice, Beetroot juice placebo
Drug
Lead sponsor
Penn State University
Other
Eligibility
55 Years to 80 Years · Female only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 11, 2022 · Synced Sep 4, 2026, 4:34 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Effects of Red Beetroot Juice on High-Fat Meal-Induced Endothelial Dysfunction and Cardiometabolic Disturbances

NCT02949115
View directory record Official record
Conditions
Overweight, Obesity, Aging, Menopause
Interventions
70 mL red beetroot juice, 70 mL red beetroot juice without nitrate, 70 mL placebo drink plus potassium nitrate, 70 mL placebo drink
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
40 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 12, 2018 · Synced Sep 4, 2026, 4:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Beet Juice and Diet in Female Rowers

NCT06045845
View directory record Official record
Conditions
Dietary Habits, Nitrates, Exercise
Interventions
Beet Juice, Placebo
Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Lawrence, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 1, 2024 · Synced Sep 4, 2026, 4:34 AM EDT