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A review published in the Journal of Obesity in 2011 that looked at 12 clinical trials found that Garcinia Cambogia can increase weight loss by about 0. 88 kg, or 2 pounds, on average, over a period of several weeks (13).
Their conclusion sums it up quite nicely: …Garcinia extractsHCA can cause short-term weight loss. The magnitude of the effect is small, and the clinical relevance is uncertain. I agree. It may cause a mild effect in some people, but overall the effects are small and unlikely to make a major difference Bottom Line: There have been many studies conducted on Garcinia Cambogia in overweight individuals. Some of them show a small amount of weight loss, while other studies show no effect.
Garcinia Cambogia Appears to be Very Safe Bottle With Blue Pills It is important to keep in mind that these studies usually only report averages. It is possible that some individuals can in fact lose weight with this supplement, although it doesnt seem to work very well on average. At least, Garcinia Cambogia appears to be safe. There are no serious side effects, only some reports of mild digestive issues (14).
It is best to get a brand with at least 50 Hydroxycitric acid.
This is the active ingredient in Garcinia Cambogia extract… that is, the substance that produces the weight loss effects. Bottom Line: Garcinia Cambogia is a plant often used in Asian recipes.
The skin of the fruit contains a substance called Hydroxycitric Acid (HCA), which is the active ingredient. Does Garcinia Cambogia Actually Work. Woman Smiling and Holding a Supplement I managed to find several research studies on Garcinia Cambogia, in both animals and humans.
According to some studies in rats, it can inhibit a fat producing enzyme called Citrate Lyase, making it more difficult for the body to produce fat out of carbohydrates (1). Other rat studies show increased levels of the neurotransmitter serotonin.
This could theoretically lead to reduced appetite and cravings (2). There are actually a whole bunch of studies in rats showing that Garcinia Cambogia consistently leads to significant weight loss (3, 4, 5, 6). However, what works in rats doesnt always work in humans. Bottom Line: Studies in rats show that the active ingredient in Garcinia Cambogia can inhibit a fat producing enzyme called Citrate Lyase and increase serotonin levels, leading to significant weight loss.
A Look at Some Human Studies Fortunately, I also found several human studies on Garcinia Cambogia. All of these studies are so-called randomized controlled trials, which are the gold standard of scientific experiments in humans. The biggest of the studies included 135 overweight individuals, which were split into two groups (7): Treatment group: 1 gram of Garcinia Cambogia Extract, 3 times per day, taken 30 minutes before meals. Placebo group: The other group took dummy pills (placebo). Both groups also went on a high-fiber, low calorie diet.
These were the results of the 12 week study, which was published in The Journal of The American Medical Association (a highly respected scientific journal): Heymsfield, et al. 1998 As you can see, both groups lost weight.