Table 1 Inclusion and exclusion criteria
Critera | |
|---|---|
Inclusion | Exclusion |
Aged ≥18 years Fulfill prediabetes’ diagnostic criteria, determined by blood measurement values obtained within past 12 weeks Agree to continue with current diet and refrain from taking any new nutritional or herbal supplements during the study Agree to continue with current physical activity level throughout study period Able to understand and write English Voluntarily consent to the study and understand its nature and purpose including potential risks and side effects | Current daily use of any oral hypoglycemic medication or insulin injection Any current or previous diagnosis of diabetes (type 1 or type 2) Current daily use of any supplement containing the herbs in the study supplement Known allergies to any substance in the study supplement Current daily tobacco smoker Currently pregnant or breastfeeding, or planning to become pregnant in the next 12 weeks Myocardial infarction, vascular surgery, or stroke in the past year Refusal to provide consent for the study |