Impaired Glucose Tolerance, Insulin Resistance, Prediabetes
Conditions
Keywords
Cassia, Cinnamon, Blood Glucose, Endurance exercise, Acute exercise, Overweight, Obesity, Women
Brief summary
The purpose of this study was to compare the acute effects of 5g of Cassia cinnamon, 50 minutes of endurance exercise performed at 70% of the heart rate reserve (correlated to VO2max), and 5g of cellulose placebo on blood glucose, serum insulin and insulin sensitivity following an oral glucose tolerance test 3 hours after administration of each intervention.
Interventions
DIETARY_SUPPLEMENTCassia cinnamon
5g encapsulated ground bark administered once in experimental session
PROCEDURE50 minutes exercise
50 minutes treadmill endurance exercise at 70% of the heart rate reserve (correlated to VO2max)
DIETARY_SUPPLEMENTCellulose Powder
5g encapsulated powder administered during placebo experimental session
Sponsors
Baylor University
Study design
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
SUPPORTIVE_CARE
Masking
DOUBLE (Subject, Investigator)
Eligibility
Sex/Gender
FEMALE
Age
18 Years to 30 Years
Healthy volunteers
Yes
Inclusion criteria
* Sedentary * BMI: 27-45 * DXA body fat % greater than 30% * 18-30 years of age * Healthy * From the Baylor University campus and surrounding community * Regular sleep habits
Exclusion criteria
* Not regular users of any species of cinnamon * Not diagnosed with any metabolic disorder or chronic medical condition * Not taking prescription medications for 2 months before the study * Not taking ergogenic aids for 2 months before the study * Not taking oral contraceptives for 2 months before the study * No IUD placed for 2 months before the study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Blood Glucose | Baseline, 0, 30, 60, 90 and 120 minutes following OGTT |
Secondary
| Measure | Time frame |
|---|---|
| Serum Insulin | Baseline, 0, 30, 60, 90 and 120 minutes following OGTT |
Countries
United States
Outcome results
None listed