If you’re not sure how to make bulletproof coffee, or you’re looking to perfect your technique, look no further. Also known as ‘butter coffee’, this is a popular drink for those following the Keto ...

If you follow wellness trends, you’ve probably noticed there’s something going on with a trend called bulletproof coffee. No longer is it enough to drink a simple fair trade brew with organic nondairy ...

Close-up of butter and coffee in a mug - karins/Shutterstock Nowadays, the term "bulletproof coffee" has outgrown its origin, no longer referring to the specific brand but to the three-part coffee ...

The Cognitive Coffee at Vibe Health Bar in Oak Park looks like a latte. It’s thick, frothy and steaming, with an aroma to whet a caffeine junkie’s thirst. But it tastes of an unusual additive: butter.

Over ten years ago, Bulletproof popularized mixing coffee with butter as a form of biohacking. Now the company is moving in a new direction, and hopping on a more recent trend: Cold coffee at home.