The molecular structure of ketones is very similar to two other molecules, capsaicin - found in chili pepper - and the stimulant synephrine.
A synthetic version of it is used in cosmetics, processed foods and weight loss supplements. Raspberry ketone is the compound that gives raspberries their strong aroma and flavor. However, raspberry ketones have absolutely nothing to do with low-carb diets and will not have the same effects on your body. The appeal of this product is also due to the word “ketone,” associated with low-carb diets - which force your body to burn fat and elevate blood levels of ketones. The raspberry ketones you find in supplements are synthetically manufactured and are not natural ( 4, 5, 6). In fact, 2.2 pounds (1 kg) of whole raspberries only contains 1–4 mg of raspberry ketones. Only recently did they became popular as a weight loss supplement.Įven though the word “raspberry” may appeal to people, the supplement is not derived from raspberries.Įxtracting raspberry ketones from raspberries is extraordinarily expensive because you need 90 pounds (41 kg) of raspberries to get a single dose. It has a long history of use in cosmetics and has been added to soft drinks, ice cream and other processed foods as a flavoring.Īs such, most people already eat small amounts of raspberry ketones - either from fruit or as a flavoring ( 3).
This substance is also found in small amounts in other fruits and berries, such as blackberries, cranberries and kiwis. Raspberry ketone is a natural substance that gives red raspberries their powerful aroma.
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