Shailene Woodley
Bulletproof opening butter coffee cafe in Santa Monica

If you were wearing a blindfold while trying your first cup of Bulletproof Coffee, you might have trouble figuring out what makes it so different. There's a faint nuttiness to the taste, redolent of coconut. And an impossible richness that makes you feel like you're drinking a fluffy down pillow, if such a thing were possible. The secret ingredient? Butter. That's right, butter. Whipping butter into coffee is old news if you're a health hipster — one of those CrossFitting, low carbing, Paleo living, biohacking, counter-culture types who believe a healthful lifestyle is slathered with fat. Now the calorie-laden beverage is being introduced to the masses...