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Green Coffee Bean Clinical Studies

Study #1


"We conclude that chlorogenic acid enriched coffee appears to have a significant effect on the absorption and utilization of glucose from the diet.  This effect, if the coffee is used for an extended time, may result in reduced body mass and body fat when compared with the use of normal instant coffee."


[Zemel MB et al. Calcium and dairy acceleration of weight and fat loss during energy restriction in obese adults. Obes Res. 2004 Apr;12(4):582-90.]


[E. Thom, The Effect of Chlorogenic Acid Enriched Coffee on Glucose Absorption in Healthy Volunteers and Its Effect on Body Mass When Used Long-term in Overweight and Obese People, Journal of International Medical Research, 2007, 35:900-908]


Study #2


"In the CGA group, but not the placebo group, blood pressure (systolic and diastolic) decreased significantly during the ingestion period. There was no difference in body mass index and pulse rate between groups, nor were there any apparent side effects. Thus, CGA from GCE is effective in decreasing blood pressure and safe for patients with mild hypertension."


[T. Watanabe et al, The blood pressure-lowering effect and safety of chlorogenic acid from green coffee bean extract in essential hypertension, Clinical and Experimental Hypertension, July 2006, 28(5):439-49]


Study #3


"They concluded that chlorogenic acid attenuated the rate of glucose uptake in the proximal small intestine and moved it to more distal regions of the small intestine. . . . The implication is that chlorogenic acid slows the absorption of glucose from the gut, whereas caffeine accelerates it." 


[James A. Greenberg et al, Coffee, diabetes, and weight control, The American Journal of Clinical Nutrition, 2006, 84:682-93]  

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