Just four years later, Hemsworth says the time had come for him to reevaluate his dietary choices.

“I was vegan for almost four years, and then February of last year I was feeling lethargic.

Then I got a kidney stone.

Liam Hemsworth

It was one of the most painful weeks of my life,” Hemsworth tellsMen’s Health.

And that was what I considered super healthy.

So I had to completely rethink what I was putting in my body," the actor says.

Vegan burger

“If something works well for a period, great, keep doing it.