Here's how bulletproof or buttered coffee can seriously improve your health

CAN coffee make you bulletproof? Well, not exactly, but Dave Asprey, the man who pioneered bulletproof or buttered coffee, has thought about that question more than most.

In fact, he’s been on a mission to make himself if not invincible, then as close to it as humanly possible.

The Silicon Valley technology entrepreneur has spent nearly two decades and $300,000 using every available technology to ‘bio-hack’, or upgrade, his own body so that it performs at peak with minimum effort.