The athlete has been vegan since 2010
The film was created by 'What the Health' and 'Cowspiracy' Co-director Keegan Kuhn
The high profile performer is well-known for his advocacy work
The film was directed by Keegan Kuhn
The film is a 'beautifully shot sports documentary'
Kuhn co-directed 'Cowspiracy' and 'What the Health'