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.

If you’re remotely into biohacking and health optimisation you might have heard of the bulletproof diet or, more specifically, bulletproof coffee. The bulletproof coffee recipe was developed by ...

Millions across the world like to begin their day with a cup of coffee. Most say they cannot function without one. This ...

Add Yahoo as a preferred source to see more of our stories on Google. Close-up of butter and coffee in a mug - karins/Shutterstock Nowadays, the term "bulletproof coffee" has outgrown its origin, no ...