The Montreal Gazette featured a huge ad today for Garcinia cambogia, the weight loss supplement termed a miracle by our good friend Dr. Oz. I wrote a piece on this when it was featured on the Dr. Oz Show which can be found on our website at mcgill.ca/oss. If you would like some more details, a meta analysis of Garcinia extract in weight loss was published in the Journal of Obesity, a top notch publication. A meta analysis is a study of studies. The researchers examined all the trials that had been published about Garcinia and came to the following conclusion: “The evidence from randomized controlled trials (RCTs) suggests that Garcinia extracts/HCA generate weight loss on the short term. However, the magnitude of this effect is small, is no longer statistically significant when only rigorous RCTs are considered, and its clinical relevance seems questionable. Future trials should be more rigorous, longer in duration, and better reported.” In other words, if there is an effect it is very small and even this is not seen in the best trials. So there is no miracle here.
Posted on: Wed, 04 Jun 2014 02:10:20 +0000
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