Green coffee: the weight loss agent?
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Green coffee: According to many websites, sellers and the well-known Turkish-American heart surgeon Dr. Oz the weight loss drug. But do these products, capsules or powders really help burn those excess pounds?
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When picked, coffee beans have a naturally gray-green color. During burning they turn dark brown to black. This involves a chemical process in which more than 800 different components together give the taste and aroma to coffee. You would expect that this is the basis for the green coffee that is so popular. A However, the green coffee for sale usually has little to do with those green beans. It is often a mixture of green tea with all kinds of extracts, whether or not in capsules or powders. And those extracts are said to help with weight loss: substances like ginseng, green tea extract, guarana and natural green coffee extract.
Green coffee extract: GCA
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Green coffee products, capsules or powders mainly contain the substance chlorogenic acid (GCA). This extract from green coffee beans is actually lost during roasting. GCA is also known under the name Svetol. It is added to green coffee capsules under that name. This study was conducted among 50 volunteers in which the test subjects lost at least 5 kilograms without adjusting their eating and living pattern. The most recent research (2014) shows that it can stimulate fat burning. Research from 2012 also shows that GCA can be an effective means of helping people lose weight. But this research was conducted on only 16 people, of which 8 people used the extract.
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Dr. Oz
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The popular American Dr. Oz show also conducted a 2012 survey of 100 women. This showed that women who took the GCA daily lost twice as much weight as the women in the placebo group. No wonder green coffee is so extremely popular in the United States.
Too early for hard statements
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A study published a year earlier (2011) looked at the results of five different studies into the effect of green coffee extract. The cautious conclusion was: the results are hopeful, but it is still too early to make firm statements. Incidentally, caffeine in coffee is also said to help with weight loss, but there is still too little evidence for this. So it may take some time for scientists to reach consensus on this topic.
Pure
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Would you rather go for pure and would you like to try green coffee, but would rather not use supplements or extracts? Then you can also buy unroasted coffee beans, or raw coffee beans, in specialty coffee shops or online and make coffee. These contain the GCA that is normally lost during burning. The taste and smell will take some getting used to.
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Health Benefits
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More health benefits are known from GCA. It is an antioxidant that lowers the risk of type 2 diabetes and cardiovascular disease. It may also be anti-inflammatory and may help protect against tooth decay.
Weight-loss supplement?
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Based on current knowledge, it is not yet possible to say that green coffee (extract) is the weight loss agent. In any case, you will not lose weight faster if you do not adjust your lifestyle. It could be a tool to support your energy balance. That is why the message remains the well-known: a healthy and varied diet with lots of fruit and vegetables with sufficient exercise is the basis for a healthy weight and good health in general.