You enter
- Body mass, unit, and training demand
- Carbohydrate, protein, fat, fluid, and session details
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Compare entered carbohydrate and protein with body-mass-based training-day ranges and see the macro-energy math.
Use it when
Use after a training day when you have the actual intake totals.
Actual workflow
You enter
You receive
Sample output
What happened: the athlete finished practice without a packed snack and the next meal was not available soon.
Next fix: choose one familiar snack that can live in the school bag or team cooler.
Tomorrow: pack it before school and confirm where bottles can be refilled before practice.
Recognizable examples
These package photos help athletes and parents recognize the category in a store. Brands are examples, not endorsements; check the current label for ingredients and allergens.

Fortified breakfast cereal
Recognizable fortified-cereal example for breakfast; check the current box label.
Official product page
Plain bagel
Recognizable bagel option for breakfast or a practiced pre-event meal.
Official product page
Drinkable Greek yogurt
Drinkable-yogurt example for breakfast or post-practice recovery.
Official product pageEducational use only. The unlocked tool shows its inputs, assumptions, formulas, substitutions, and result ranges where calculations apply. Results do not diagnose or treat a condition and should be interpreted with the athlete's actual training, food access, tolerance, medical history, and qualified care when needed.