The idea is to lower the levels of circulating glucose by decreasing calorie intake and increasing utilization of glucose by the cat's cells. (mypetneedsthat.com)
Impacts fat metabolism, normalizes utilization of glucose, increases lipid oxidation, aids in weight loss (hghinjections.us)
My thesis is that there are undoubtedly negative effects from over - or under - utilization of glucose by tissues; else evolution wouldn't be trying to mitigate the over - or under - supply by lipogenesis and gluconeogenesis. (perfecthealthdiet.com)