This is the amount of calories that your body requires each day to burn for energy to perform all of the tasks it needs to perform.

In short, cold triggers your brown adipose tissue (BAT) to consume lipids (A.K.A. fat) to produce heat, and Thin Ice is designed to affect that consumption without chilling you enough to cause muscle spasms (shivering).

He's currently running a study on central inhibitory regulation of brown adipose thermogenesis, and has studied the central regulation of sympathetic activity to brown fat in previous work While he said there was hope for people with a normal body mass index, he pointed out that over time even their Thin Ice results might suffer.