Bear Grylls regrets promoting veganism in the past.

Bear Grylls, a former vegan and now a meat-lover, said he's "embarrassed" about his past as a vegan and doesn't go "near" vegetables. Grylls claimed, without evidence, that eating meat and organs has been a "game-changer" for his health. He also said that a plant-based diet isn't "good" for the environment or for his health, and that instead, he prefers to adopt a carnivore diet. However, studies have shown that a wider societal shift toward plant-based could have a great positive impact on the environment by reducing carbon-dioxide emissions.