Consumer Review Has Released an Exclusive Garcinia Cambogia Extract Review As we rounded up all of the big brands in the industry, we could see straight off how much HCA extract is in each pill or without actually including the amount compiled this information to give you a list of the best products on the market. Compare top-rated Garcinia Cambogia products. Natura Best GC (60 capsules ), , $, Pros: % pure GC extract effectively suppresses appetite; fast. Dr. Oz touted garcinia cambogia as a breakthrough new weight loss supplement, but new research calls most brands into question. But a new report shows that the majority of garcinia cambogia pills sold online or in stores contain (Or go the natural route with these 25 best weight loss tips of all time.).