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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Cinnamon Clear all
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 10, 2026, 12:28 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 10, 2026, 12:28 PM EDT
Terminated Phase 1 Interventional

Effect of Cinnamon Extract on Insulin Resistance in Polycystic Ovary Syndrome

NCT00970541
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Insulin Resistance
Interventions
Cinnamon Supplementation, Placebo (wheat flour)
Dietary Supplement
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Aug 24, 2021 · Synced Sep 10, 2026, 12:28 PM 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 10, 2026, 12:28 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 10, 2026, 12:28 PM EDT
Completed Phase 2Phase 3 Interventional

The Effect of Cinnamon on HbA1c Among Adolescents With Type I Diabetes

NCT00371800
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
cinnamon
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
13 Years to 18 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Sep 3, 2006 · Synced Sep 10, 2026, 12:28 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 10, 2026, 12:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Spices, Inflammation and Vascular Response in Humans

NCT03926442
View directory record Official record
Conditions
Healthy
Interventions
Italian Herb meal, Cinnamon Meal, Pumpkin Spice meal, Placebo meal
Other
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Sep 10, 2026, 12:28 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 10, 2026, 12:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reason to Season; Flavors to Increase Vascular Health

NCT04339114
View directory record Official record
Conditions
Overweight and Obesity, Healthy
Interventions
Breakfast: control meal, Breakfast: Cinnamon meal, Breakfast: Italian herbs meal, Breakfast: pumpkin spice
Other
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Sep 10, 2026, 12:28 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effect of Flavored on!® Nicotine Pouch Products on Smoking Behaviors: a SMART Study

NCT06072547
View directory record Official record
Conditions
Cigarette Smoking Behavior
Interventions
Access to all varieties of on! 4mg nicotine pouches (Berry, Citrus, Cinnamon, Wintergreen, Mint, Coffee, and Original), Access to Original on! 4mg nicotine pouches, Non-Flavored then complete flavor on! nicotine pouches
Other
Lead sponsor
Altria Client Services LLC
Industry
Eligibility
22 Years to 65 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced Sep 10, 2026, 12:28 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Daily Mixed Spice Consumption on Memory Function

NCT06889961
View directory record Official record
Conditions
Memory, Cognitive Function
Interventions
Mixed spices, Placebo
Dietary Supplement · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Sep 10, 2026, 12:28 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 10, 2026, 12:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study of Raisins Versus Alternative Snacks on Cardiovascular Risk Factors In Generally Healthy Subjects

NCT01260272
View directory record Official record
Conditions
Cardiovascular Risk Factors
Interventions
Alternative Snack Comparator, Raisins
Other
Lead sponsor
Louisville Metabolic and Atherosclerosis Research Center
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 28, 2014 · Synced Sep 10, 2026, 12:28 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 10, 2026, 12:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Antioxidants on Cardiovascular Risk Measures (Spice Study)

NCT00954902
View directory record Official record
Conditions
Cardiovascular, Psychological Stress
Interventions
High Antioxidant Spice Blend, Trier Psychological Stressor, Placebo antioxidant concentrate
Dietary Supplement · Behavioral · Other
Lead sponsor
Penn State University
Other
Eligibility
30 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 24, 2018 · Synced Sep 10, 2026, 12:28 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 10, 2026, 12:28 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Dietary Supplements on Muscle Mass and Function While Using GLP-1 Medication

NCT07806838
View directory record Official record
Conditions
Obesity & Overweight, Muscle Mass and Strength, Muscle Function
Interventions
Whey Protein Supplementation, Maltodextrin Placebo Capsules, Mixed Spice Capsules
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 10, 2026, 12:28 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 10, 2026, 12:28 PM EDT
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 10, 2026, 12:28 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Adaptive Use of Nicotine Substitution to Maintain Smoking Reduction/Abstinence in Nicotine Responders

NCT06554873
View directory record Official record
Conditions
Smoking Cessation, Harm Reduction
Interventions
Nicoderm, Nicorette 4Mg Chewing Gum, Nicorette Lozenge Product, NJOY e-cigarette, on!
Drug · Other
Lead sponsor
Rose Research Center, LLC
Industry
Eligibility
22 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Charlotte, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 10, 2026, 12:28 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 10, 2026, 12:28 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 10, 2026, 12:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Novel Supplement on Glycemic Variability Measured by Continuous Glucose Monitoring

NCT05832463
View directory record Official record
Conditions
Healthy
Interventions
Carbohydrate blocking supplement (CBS), Placebo capsule
Dietary Supplement
Lead sponsor
dōTERRA International
Industry
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Pleasant Grove, Utah
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Sep 10, 2026, 12:28 PM EDT