Back in the day, if you went vegan, it virtually dictated that you also ate whole-foods plant-based, because processed vegan products were exceedingly rare. Over the years, Harrelson adopted a predominantly raw vegan diet. In his mind, the mostly raw vegan diet balances the sluggishness post-alcohol. Hemsworth stayed vegan until 2019 when he re-introduced animal products to his diet after battling kidney stones. While the film is not explicitly vegan, Harrelson cares deeply about preserving and restoring the planet’s biodiversity.