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Showing 1–24 of 47 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: cinnamon Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Over-the-counter Dietary Supplements on Kidney Stone Risk

NCT02404701
View directory record Official record
Conditions
Hyperoxaluria
Interventions
Aloe vera with cactus, Cranberry, Green tea extract, Bilberry, Cinnamon, Milk thistle, Turmeric, Aloe vera
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 26, 2016 · Synced Sep 2, 2026, 10:30 PM EDT
Terminated Not applicable Interventional Results available

Cinnamon Bark, Water-Soluble Cinnamon Extract, and Metformin for Treatment of Type 2 DM.

NCT01302743
View directory record Official record
Conditions
Diabetes
Interventions
Group 1: Metformin, Group 2: Cinnamon Bark, Group 3: Cinnulin PF
Drug · Dietary Supplement
Lead sponsor
Mike O'Callaghan Military Hospital
Federal
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Nellis Air Force Base, Nevada
Source: ClinicalTrials.gov public record
Updated Jun 25, 2017 · Synced Sep 2, 2026, 10:30 PM EDT
Withdrawn Not applicable Interventional

Improving Insulin Resistance in Gynecological Cancer Patients

NCT04139694
View directory record Official record
Conditions
Insulin Resistance
Interventions
Food plan with cinnamon supplementation, Food plan without cinnamon supplementation
Dietary Supplement · Behavioral
Lead sponsor
Woman's
Other
Eligibility
Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated May 18, 2020 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Chewing Gum on a Computer Task and Liking Ratings of Ice Cream

NCT02198911
View directory record Official record
Conditions
Habituation
Interventions
NO GUM, MCC (Mint Chocolate Chip gum), C (Cinnamon gum)
Other
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2025
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Studying Glucose and Appetite Response With Alternatives to Soda Pop

NCT06427915
View directory record Official record
Conditions
Healthy Nutrition
Interventions
OLIPOP prebiotic soda, Traditional sugar-sweetened cola
Other
Lead sponsor
Olipop, PBC
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Sep 2, 2026, 10:30 PM EDT
Recruiting Not applicable Interventional

Role of Race in Nutritional Approach in Men on ADT

NCT06682390
View directory record Official record
Conditions
Prostate Cancer Metastatic Disease
Interventions
Hypocaloric anti-inflammatory diet
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Phase 2 Interventional

Effect of Cinnamon on Glucose and Lipid Levels in Non-Insulin Dependent Type 2 Diabetes Mellitus

NCT00237640
View directory record Official record
Conditions
Diabetes Mellitus, Adult Onset
Interventions
Cinnamon or placebo 500 mg capsule twice daily
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 21, 2008 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Investigation of Cinnamon Spice on Glucose Tolerance in Subjects With Pre-diabetes

NCT04342624
View directory record Official record
Conditions
PreDiabetes, Blood Glucose, High
Interventions
Cinnamon, Placebo
Dietary Supplement · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Goode Health Beverage on Markers of Physiological and Neurocognitive Health

NCT06245382
View directory record Official record
Conditions
Cardiovascular Diseases, Hypertension, Cognitive Decline, Diet, Healthy
Interventions
Goode Health Beverage, Vanilla Base Beverage Blend
Dietary Supplement
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 55 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Sep 2, 2026, 10:30 PM EDT
Recruiting Not applicable Interventional

A Clinical Trial to Assess the Efficacy and Tolerance of a Berberine-based Nutraceutical Formula to Aid Blood Sugar Regulation and Metabolism

NCT06700915
View directory record Official record
Conditions
Metabolism Disorder, Nutraceutical
Interventions
Diaberine, Placebo Capsule
Dietary Supplement
Lead sponsor
Ultimate International, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Not applicable Interventional

Visual-OLfactory Training in Participants With COVID-19 Resultant Loss of Smell

NCT04710394
View directory record Official record
Conditions
Anosmia, Covid19, Ageusia, Hyposmia, Hypogeusia, SARS-CoV-2 Infection, COVID-19 Pandemic
Interventions
Smell Training
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 20, 2022 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Not applicable Interventional Results available

Cinnamon Trial-lIfestyle iNtervention Plus Water-soluble Cinnamon Extract On loweriNg Blood Glucose in Pre-diabetics

NCT01301521
View directory record Official record
Conditions
Diabetes, Pre-Diabetes
Interventions
water-soluble cinnamon extract (Cinnulin PF)
Drug
Lead sponsor
Mike O'Callaghan Military Hospital
Federal
Eligibility
18 Years and older
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
4
States / cities
Travis Air Force Base, California • Eglin Air Force Base, Florida • Offutt Air Force Base, Nebraska + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect a Honey, Spice-blended Baked Good Has on Salivary Inflammation Markers in Adults: a Pilot Study

NCT05055362
View directory record Official record
Conditions
Chronic Kidney Diseases, Overweight and Obesity
Interventions
Honey Spice Group
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 9, 2024 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Can Fish Oil and Phytochemical Supplements Mimic Anti-Aging Effects of Calorie Restriction?

NCT01752868
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Supplement
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
40 Years to 60 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 18, 2012 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Exploratory Investigation of a Supplement to Enhance Sleep Quality and Quantity

NCT05521243
View directory record Official record
Conditions
Sleep, Sleep Disturbance, Sleep Hygiene
Interventions
Beam Organics Dream Powder, Beam Organics Dream Powder Extra Strength, Placebo
Dietary Supplement
Lead sponsor
Beam
Industry
Eligibility
24 Years to 50 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Nov 7, 2022 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect Cinnamon Spice on Postprandial Glucose and Insulin Responses

NCT04686552
View directory record Official record
Conditions
Normal Weight, Overweight and Obesity
Interventions
cinnamon
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 27, 2020 · Synced Sep 2, 2026, 10:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Hunger Perception and Weight-Related Outcomes Following Use of a Leptin-Supporting Dietary Supplement

NCT07442864
View directory record Official record
Conditions
Hunger, Weight Change
Interventions
Leptin Balance Formula
Dietary Supplement
Lead sponsor
Efforia, Inc
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Acute Effect of Spices on Vascular Health

NCT03064958
View directory record Official record
Conditions
Oxidative Stress
Interventions
Herbs and spices, High fat meal
Other
Lead sponsor
Penn State University
Other
Eligibility
40 Years to 65 Years · Male only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Sep 2, 2026, 10:30 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers

Evaluate Harm Reduction Products as a Second Line Intervention for Adult Smokers Who Do Not Quit With NRT

NCT06088862
View directory record Official record
Conditions
Smoking Cessation, Harm Reduction
Interventions
Nicoderm, Nicorette 4Mg Chewing Gum, Nicorette Lozenge Product, BIDI e-cigarette, on!
Drug · Other
Lead sponsor
Rose Research Center, LLC
Industry
Eligibility
22 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
Charlotte, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 29, 2025 · Synced Sep 2, 2026, 10:30 PM EDT
Not listed Not applicable Interventional

Glucose Differences Between the Left Arm and Right Arm in Diabetic Patients Using a Continuous Glucose Monitor

NCT04790760
View directory record Official record
Conditions
Diabetes
Interventions
Supplement Consumption, Continuous Glucose Monitors
Dietary Supplement · Device
Lead sponsor
University of the Pacific
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Stockton, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2021 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Spice Consumption on the Microbiome

NCT03676803
View directory record Official record
Conditions
Microbiota
Interventions
mixed spices, placebo capsule containing 5 g of maltodextrin
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2019 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Randomized Controlled Clinical Trial of Cinnamon to Lower Hemoglobin A1c

NCT00445354
View directory record Official record
Conditions
Diabetes
Interventions
cinnamon
Drug
Lead sponsor
Eglin AFB Regional Hospital
Federal
Eligibility
18 Years to 90 Years
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Eglin Air Force Base, Florida
Source: ClinicalTrials.gov public record
Updated Feb 6, 2019 · Synced Sep 2, 2026, 10:30 PM EDT
Recruiting Phase 2Phase 3 Interventional

Study of Chemosensory Enhancement Through Neuromodulation Training (SCENT for Long COVID)

NCT05855369
View directory record Official record
Conditions
Smell Dysfunction, Olfactory Disorder, Long COVID
Interventions
Trigeminal Nerve Stimulation (TNS), Active Smell Training (ST), Placebo Smell Training (PBO)
Device · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Sep 2, 2026, 10:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RCT of a Polyherbal Dietary Supplement for Prediabetes

NCT03388762
View directory record Official record
Conditions
Prediabetic State
Interventions
GlucoSupreme™ Herbal, Placebo
Dietary Supplement · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
4
States / cities
Baltimore, Maryland • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Sep 2, 2026, 10:30 PM EDT