Fish oil provides tremendous health benefits from improving mood to battling dry skin but most of us take it for its reputed fat-burning powers. Japanese scientists from Kyoto University recently found yet another way that fish oil promotes a lean physique. Researchers discovered that fish oil exerts an affect on receptor cells in the gut. It transforms passive fat storage cells into active cells that metabolize fat. In the experiment, two groups of mice were fed a fat-rich diet, but one group was also given fish oil. The fish oil group gained five to 10 percent less weight and 15 to 25 percent less fat despite being fed the same amount of calories. This could be one reason why Asian and Mediterranean cultures, which eat plenty of fish, tend to be leaner than those who eat a more land-based diet.
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