Raspberry Ketones are typically used as a fat loss aid. They increase norepinephrine release, potentiate it’s action in fat breakdown, and also aid in the breakdown of fat by translocating the fat slicing enzyme hormone-sensitive lipase to within fat cells. They are often used by dieters to increase metabolism and body heat and to increase the breakdown of body fat.
Right now there is no human research on the use of rasperry ketones for fat loss, but animal research is promising. A study performed on mice found that when mice were fed a high fat diet, consumption of 0.5-2% raspberry ketones as a part of their diet prevented gains in body weight and significanly increased fat breakdown.
We can’t be positive that these effects are also apparent in humans or to the same degree, but anecdotal evidence supports raspberry ketones for fat loss and increased body heat. It is hard to translate the dosage used in the mice into an effective dose for humans, but the tolerable and effective range seems to be about 200-1000 mg daily in divided doses. Taking more than 500 mg at once causes stomach upset in some users.
Morimoto C, Satoh Y, Hara M, Inoue S, Tsujita T, & Okuda H. (2005). Anti-obese action of raspberry ketone. Life Sciences. 77(2), 194-204.
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