Dina Griffin, also known as “The Nutrition Mechanic," is a Board Certified Sports Dietitian based out of Boulder, Colorado. She consults with all levels and abilities of endurance athletes nationwide by fine-tuning daily nutrition strategies to optimize health & healthspan. Here's the cool thing about Dina. She’s not a student or lab rat who doesn’t really understand what it’s like to be an athlete. Dina is also a competitive endurance athlete.