Fuelin is the world’s first training-based nutrition app, simplifying daily nutrition, fueling, and hydration for athletes. It is a subscription-based program. The Fuelin app seamlessly integrates with all major training platforms, including TrainingPeaks, TriDot, RunDot and Final Surge. Additionally, athletes can input their training plan directly into the app. Fuelin provides athletes with customized insights into daily macronutrient requirements and meal recommendations, along with practical guidance on timing, quantity, and type of nutrition for enhanced performance and well-being. It is trusted by professional triathletes such as Jan Frodeno, Holly Lawrence, Skye Moench, Imogen Simmonds, Ben Kanute, the RTS-X team, and over 1500 monthly age-group triathletes. Our program works with all levels of athletes, from the time-starved busy executive to the age-group athlete looking to complete their first triathlon, marathon or simply get healthier.