This feat was performed in front of a crowd of several hundred spectators at the Vegetarian Food Festival in Toronto.
Patrik is an animal lover who became vegetarian in 2006 and vegan in 2011, shortly after being named Germany's Strongest Man.
In a quote from thestar.com, Patrik states, "One day, I just thought, if you see a bird with a broken leg, you really have the urge to do something about it and help the bird, then at the same time you go to a restaurant and eat a chicken or something. It doesn't make any sense."
And to answer the above question-his main protein sources are: soy milk, soy protein powder, tofu, nuts, and beans. In addition he eats a lot of carbohydrates to fuel his training (rice, potatoes, oats), and he eats a lot of fruit, greens, and vegetables, relying heavily on shakes and smoothies to make it easier to consume the necessary calories he needs for his level of size and strength.