![]() Lastly, supplements that help reduce hunger act by increasing the levels of hormones that promote feelings of fullness, such as peptide YY (PYY) and glucagon-like peptide-1 (GLP-1), and reducing the levels of hunger-promoting hormones such as ghrelin ( 5).ĭoes forskolin actually help you lose weight? This leads to an increased resting energy expenditure - the number of calories your body burns while resting - and thus promotes fat loss ( 7). Supplements that boost your energy expenditure, such as caffeine, mostly rely on their thermogenic effect - an ability to produce heat. In both cases, the supplement promotes weight loss by reducing energy intake ( 5).įurthermore, supplements that increase the breakdown of fats - also known as fat burners - reportedly work either by reducing fat accumulation or by preventing the formation of fat, a process called lipogenesis ( 6). ![]() In contrast, others inhibit enzymes such as amylase and glucosidase, preventing the digestion and absorption of carbs. Weight loss supplements can allegedly promote weight loss in several ways, including by ( 5):īecause your body needs to break down nutrients in order to absorb them, supplements that reduce nutrient absorption often target different enzymes in charge of nutrient digestion.įor instance, some supplements block an enzyme called pancreatic lipase, which reduces fat absorption.
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