Garcinia Cambogia (Malabar Tamarind) is really a small fruit that has some traditional usage to boost the culinary experience of food, but beyond that has limited medicinal usage. It is a excellent source of hydroxycitric acids (structurally related to citric acid, a sour flavorant) and one of many isomers, generally known as best garcinia cambogia, is believed to aid in weight loss.
The mechanism of action is inhibiting an enzyme called Citric acid lysase which can be required in the synthesis of essential fatty acids, generally known as de novo lipogenesis. No less than in rats, proof of suppressed de novo lipogenesis continues to be noted and oral intake of garcinia cambogia how does it work generally seems to reliably reduce food consumption and body weight (the latter to your degree where diet cannot explain every one of the observed effects)
Studies in humans, for the most part, fail to replicate this; this may be linked to less actual activity of de novo lipogenesis in humans along with a greater level in rats. Some 42dexnpky studies do note weight-loss, nevertheless it appears to be quite variable and unreliable. Many studies also do report subjective appetite decrease, but usually record dropout rates (the frequency of which people leave the investigation as a result of being unable to retain the diet protocol) as opposed to diet; even so the advantages remain unreliable and quite often not present.
While there is some limited potential for does garcinia cambogia work as a fat loss aid, the magnitude of effect is fairly low (around 2kg over three months) and the benefit is unreliable; which makes it difficult to recommend this compound like a fat burner or anti-obesity agent.