Hailey Franklin Fultz is a former competitive dancer, and a nutrition coach. For the past five years, she has used nutrition to help Matt Fultz (her husband) become one of the top boulderers in the world. We geeked out about all things nutrition: meal timing, protein synthesis, the role of carbs, supplements for climbers, strategies for fat loss, foods to avoid, navigating holidays, and Hailey’s favorite “healthified” treats.