Dose Response Study of a Natural Extract for Reducing Post Prandial Blood Glucose

Inclusion Criteria: * Willing to give consent to participate in the study in writing; * Healthy male and female subjects between ≥ 20 and ≤ 50.0 years of age; * BMI of ≥18.0 and ≤ 25.0 kg/m2; * Apparently healthy: no medical conditions which might effect study measurements as judged by the study physician or measured by questionnaire, and/or assessed by hematology, blood chemistry and urinalysis; * Willing to comply to study protocol during the study; * Agreeing to be informed about medically relevant personal test-results by study physician; * Willing to refrain from drinking of alcohol on and one day before the blood withdrawal; * Fasting blood glucose value of volunteer is ≥ 3.4 and ≤ 6.1 mmol/litre (i.e. 62-110 mg/dl) at screening; * Haemoglobin level within clinically acceptable range (for male 12 to 17 gm/dL and for females 11 to 15 gm / dL; both inclusive) as judged by the research physician. Exclusion Criteria: * Being an employee of Unilever of Lambda; * Chronic smokers, tobacco chewers and drinkers; * Participation in any other biomedical study 3 months before screening visit day of this study and/or participating in any other biomedical study during the screening period; * High intake of alcohol (\>120 mL/week); * Reported use of medically prescribed/slimming diet; * Reported participation in night shifts (between 23.00 and 6.00 hrs); * Use of medication which interferes with study measurements including vitamins, tonics; * Reported intense exercise ≥10 h/week; * Reported weight loss/gain ≥ 10% of body weight in the 6 months preceding screening * Blood donation for 2 months prior to screening; * Urine analysis that showed any drug abuse; * Allergy to any food or cosmetics; * If female, not being pregnant or planning pregnancy during the study period; * If female, lactating or has been lactating for 6 weeks before pre-study investigation and/or during the study period.