Jason Grubb Fitness / Nutrition Tool
Get your starting nutrition targets
Coaching-specific calorie, protein, hydration, and meal-split targets for active athletes. Fast, practical, and built to give you a solid starting point before you adjust from real-world feedback.
Start the Calculator
Built for athletes who train hard, not random internet macros.
What you get
Calories
A realistic starting intake based on your profile and goal.
Protein
Anchored to target body weight so the recommendation stays usable.
Hydration + meal split
Enough structure to execute well without turning food into a side hustle.
JGFNutrition Tool
Performance fuel for athletes who train hard
This is a starting-point tool, not fake precision. We’ll give you useful numbers to run for 14 to 21 days, then adjust from real trend data.