This is from where the diet gets its name, and ketosis is a state in which the body makes use of fat rather than glucose for fuel. (essentialketo.com)
The probable mechanism is lower day - long insulin levels - allowing greater use of fat as the source of fuel - the same mechanism underlying the success of low GI diets. (glycemicindex.com)
When tea is consumed regularly, the body will use of fat as an energy source more readily. (blog.fitplanapp.com)