Phasic exists because the gap between sports nutrition research and what athletes actually eat is enormous, and it doesn't have to be.
Phasic was built from a simple observation: elite athletes spend hundreds of hours optimising their training, but nutrition planning stays a guessing game. Generic apps give the same carb targets whether you ran 5km or 30km. We think that's wrong. A plan that changes when your Tuesday interval session goes sideways isn't a nice-to-have. For an athlete training 10+ hours a week, it's the whole point. We make precision nutrition accessible to every serious endurance athlete, not just those with a team dietitian.
Every recommendation is grounded in peer-reviewed sports nutrition research, not generic dietary advice. We combine your training data, body composition, performance goals, and dietary preferences to produce a plan that changes week by week as your training does.
Using sports science, we create personalised weekly nutrition plans that adapt to your training load, goals, and dietary needs. Every plan covers:
Meal macros are calculated from national food composition tables: