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Showing 25–48 of 24 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

The Effect of Beetroot Juice Supplementation Dose on Neuromuscular Performance During Resistance Exercise

NCT05957835
View directory record Official record
Conditions
High Nitrate Dose, Moderate Nitrate Dose, Low Nitrate Dose, Nitrate-depleted Dose
Interventions
BR-HIGH, BR-MOD, BR-LOW, PL
Dietary Supplement
Lead sponsor
Pepperdine University
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Malibu, California
Source: ClinicalTrials.gov public record
Updated Jul 23, 2023 · Synced Sep 5, 2026, 9:28 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 5, 2026, 9:28 AM 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 25, 2026 · Synced Sep 5, 2026, 9:28 AM EDT
Recruiting Phase 2 Interventional

Response to Exercise and Nitric Oxide in PAD

NCT06657976
View directory record Official record
Conditions
Peripheral Artery Disease, Exercise, Intermittent Claudication, Nitric Oxide
Interventions
Supervised Treadmill Exercise, Attention Control, Nitrate-Rich Beetroot Juice + supervised exercise therapy, Placebo + supervised exercise therapy
Behavioral · Combination Product
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 5, 2026, 9:28 AM 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 23, 2022 · Synced Sep 5, 2026, 9:28 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Dietary Nitrate on Immobilization-induced Changes in Skeletal Muscle in Young Healthy Men

NCT07161973
View directory record Official record
Conditions
Mitochondrial Energetics, Dietary Nitrate, Disuse Atrophy (Muscle) of Lower Leg
Interventions
Beetroot Juice - Active, Placebo Beetroot Juice Without Nitrate
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 44 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Sep 5, 2026, 9:28 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 5, 2026, 9:28 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Pomegranate Extract and Memory

NCT01950221
View directory record Official record
Conditions
Healthy Volunteers
Interventions
POMx, Placebo
Dietary Supplement · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years to 75 Years
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2020 · Synced Sep 5, 2026, 9:28 AM 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 13, 2026 · Synced Sep 5, 2026, 9:28 AM 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 13, 2019 · Synced Sep 5, 2026, 9:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Nuun Instant on Hydration Status in Active Men and Women

NCT04764565
View directory record Official record
Conditions
Hydration
Interventions
Nuun Instant, Water, Nuun Electrolyte
Dietary Supplement · Other
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Sep 5, 2026, 9:28 AM EDT
Completed Phase 2 Interventional Results available

Nitrites, Exercise, and Peripheral Arterial Disease

NCT01684930
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Beetroot Juice (Beet-It Stamina Shot) & Supervised Exercise Training, Placebo Comparator Beverage (Beet-It Stamina Shot) & Exercise Training
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
40 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 28, 2017 · Synced Sep 5, 2026, 9:28 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 5, 2026, 9:28 AM EDT
Completed Phase 2 Interventional Results available

Effect of Beetroot Juice on Coronary Blood Flow and Walking Performance in PAD

NCT02553733
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
Beetroot juice, Beetroot juice placebo
Drug
Lead sponsor
David N. Proctor, PhD
Other
Eligibility
21 Years to 85 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 5, 2026, 9:28 AM 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 14, 2026 · Synced Sep 5, 2026, 9:28 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 5, 2026, 9:28 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Inorganic Nitrate and Intensity of Exercise on Cardiovascular Health in Post-Menopausal Females

NCT05221905
View directory record Official record
Conditions
Vascular Dilation, Arterial Stiffness
Interventions
BEET IT - Concentrate Beet root juice, BEET IT - Concentrate Beet root juice (nitrate depleted)
Drug
Lead sponsor
University of Virginia
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Sep 5, 2026, 9:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nitrate Supplementation and Exercise Tolerance in Patients With Type 2 Diabetes

NCT02804932
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Super Beets, Super Beets Placebo
Dietary Supplement · Other
Lead sponsor
Darren P Casey
Other
Eligibility
40 Years to 77 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 27, 2024 · Synced Sep 5, 2026, 9:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nitrate and Exercise Performance in Middle to Older Aged Adults

NCT03371966
View directory record Official record
Conditions
Aging
Interventions
High Nitrate Beetroot Juice, Low Nitrate Beetroot Juice
Dietary Supplement
Lead sponsor
Wake Forest University
Other
Eligibility
40 Years to 65 Years
Enrollment
29 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 5, 2019 · Synced Sep 5, 2026, 9:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Influence of Beetroot Juice on Racial Disparities in Vascular Health

NCT05132556
View directory record Official record
Conditions
Blood Pressure, Racial Disparities, Cardiovascular Risk Factor
Interventions
Acute Beetroot Juice
Other
Lead sponsor
Georgia Southern University
Other
Eligibility
18 Years to 39 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Sep 5, 2026, 9:28 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 5, 2026, 9:28 AM EDT
Not listed Not applicable Interventional

Changes in Microbiota and Quality of Life in IBS

NCT05266287
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome
Interventions
a supplement containing 2'-fucosyllactose (2'-FL), Placebo Supplement
Dietary Supplement
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 23, 2023 · Synced Sep 5, 2026, 9:28 AM EDT
Terminated Not applicable Interventional

Effects of Dietary Nitrate in Women With Secondary Amenorrhea

NCT07019129
View directory record Official record
Conditions
Secondary Amenorrhea
Interventions
Beetroot Juice - Active, Placebo Beetroot Juice Without Nitrate
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 5, 2026, 9:28 AM 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 26, 2021 · Synced Sep 5, 2026, 9:28 AM EDT