Brendan Brazier is a Canadian former endurance athlete, author, advocate of a vegan diet, and creator of the Vega line of food products and supplements. Brazier is a former Ironman triathlete (1998–2004). He is the author of The Thrive Diet (2007), Thrive Fitness (2009), and Thrive Foods: 200 Plant-Based Recipes for Peak Health (2011).