Sauvage, which is also the French word for ‘savage’ or ‘wild,’ is part of the Paleolithic diet movement and claims to be first of its kind in Europe.

That means serving only organic, unprocessed fruit and vegetables, meat, fish, eggs, nuts, seeds, and herbs.

The truly obsessed build an entire lifestyle around the concept, mimicking caveman-era exercise.

This can involve lifting boulders and running barefoot, with some even emulating the blood loss they believe Stone Age hunters might have experienced in pursuit of their dinner by donating blood every few months.