The amount of caffeine in two cups of coffee doubles ketone production according to a study from UC San Diego ... When that happens, magically, your ghrelin, which is your hunger hormone, it drops and CCK, a satiety hormone, goes up.

When I think about living a genius life, it means living a life where you do what's right, you do what works, and you do it unapologetically.

Let's say you're overweight, and let's say that you've never fasted before—there is good evidence that a 12-hour fast is a good place to start.

Third parties have validated that Bulletproof Coffee doesn't move insulin at all. In fact, of 300 breakfasts they tested, it was the number one breakfast that had no effect on insulin.