Raspberries are delicious. A great balance of sweet and tart that makes every bite a party. Now there may be a new reason to love them. Recent research studied mice that were fed a high fat diet, with half of the mice also receiving an extract of raspberries, a chemical building block called raspberry ketone. The mice receiving the raspberry extract gained less weight than the mice that remained berry-free.
The theory is that the raspberry ketones increase your body temperature and shift your metabolism toward anaerobic respiration. This type of energy production burns fat cells inefficiently (a good thing) and leads to weight loss. The same effect can be obtained by eating fresh raspberries, but be ready to eat about 90 pounds of berries to reach the dosage (100 mg) that is recommended by the supplement makers.
The supplement makers stress that the raspberry ketone pills are natural. That is technically true, in that the contents are chemically identical to components found in raspberries. Originally the supplements were created by freeze drying raspberries and extracting the ketones from the frozen powder. This works great in small quantities but is not practical for producing commercial quantities of the supplement. The manufacturers now create their pills in a chemical factory, far from berries of any kind. At least millions of pounds of delicious raspberries are spared an early death.
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