"Game Changer" is a documentary film that explores the impact of plant-based diets on athletic performance. It features interviews with various elite athletes and experts who discuss how changing their nutrition has enhanced their physical abilities and overall health. The film aims to challenge traditional beliefs about protein sources and promote the benefits of a vegan lifestyle. The film is produced by James Wilks, a former mixed martial artist, and includes insights from notable figures like Lewis Hamilton and Kyrie Irving. It emphasizes the importance of food choices in achieving peak performance and encourages viewers to reconsider their dietary habits for better health outcomes.