A craze for green coffee bean extract has hit the weight loss supplement world all because of a compound found in green coffee beans called chlorogenic acid which seems to have beneficial effects on metabolism for weight loss. Dr. Oz publicized green coffee bean extract when he featured it on his show and called it “a miracle pill” that “can burn fat fast for anyone who wants to lose weight.” Of course you cannot believe all you hear and see in the media, but there are several research studies backing this claim.
What the Studies Say
There are multiple studies showing positive effects of the chlorogenic acid on metabolism and weight reduction efforts but perhaps the most widely used study used to market green coffee bean extract is published in 2012 in the scholarly journal “Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy”.
This research involved human subjects who consumed a high dose of green coffee bean extract supplement (1050mg) for two weeks, a low dose green coffee bean supplement (700mg) for two weeks, and a placebo for two weeks. There were two-week periods in between when the subjects did not take any of the three supplements. The investigation showed the green coffee bean extract supplementation led to decreases in body weight, body mass index, body fat percent, and even small decreases in heart rate. There were no significant changes in the diet or exercise of the subjects and the changes happened when the subjects were taking green coffee bean extract.
The potential weight-loss factor behind green coffee bean extract and the chlorogenic acid it contains may have to do with chlorogenic acid effects on sugar absorption from starch and on fat synthesis in the body. In a study published in 2007 in “The Journal of International Medical Research”, researchers discovered that when human subjects consumed instant coffee enriched with chlorogenic acid, they lost weight due to decreased absorption of glucose sugar. There are many studies on mice or rats, such as the study published in “Biochemical Pharmacology” in 2013, showing that chlorogenic acid decreases fat synthesis and improves cholesterol and triglyceride levels.
Potential Extra Benefits
Scientists are also studying other possible advantages of chlorogenic acid – it may also enhance your mood. In the journal “Psychopharmacology”, a report was published in 2012 suggesting caffeinated coffee enriched with chlorogenic acid and decaffeinated coffee enriched with a high amount of chlorogenic acid positively affected the mood and cognition of healthy seniors although, decaffeinated coffee enriched with a regular level of chlorogenic acid did not have significant effects.
Should You Take a Green Coffee Bean Extract?
Many green coffee bean extract products have been proven to contain amounts of green coffee bean extract differing from what is on the label. If you decide to try a green coffee bean extract supplement, it is a wise decision talk to reliable sources for instance people you know who have tried green coffee bean products or your local vitamin and supplement store employees. Discuss it with a health care professional too.
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