How to Read Nutrient Reference Values
Research lessons explain what each value means, what the limits of standardised references are, and how to use the result as a guide for further investigation.
EPK - Hydr-EAT intelligence platform
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EPK, energy availability and first nutrition changes.
Movement readiness, training level and weekly plans.
Fluid, food water, metabolic water and electrolytes.
Recovery capacity and practical sleep support.
CO₂, stress, recovery and practical regulation tools.
State, capacity, consistency and action.
The evidence library that supports the whole platform.
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Build and maintain energy availability so the rest of the system can work.
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Understand EPK, energy availability, the zones and how to adjust without panic.
Turn report findings into practical food, tracking and adjustment decisions.
Match movement to readiness, build capacity and avoid doing more than the body can support.
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Movement as capacity building, not calorie punishment.
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Make hydration contextual: energy, food water, metabolic water, electrolytes and sweat.
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Turn fluid and electrolyte insight into simple daily habits.
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For enthusiasts and credibility, not compulsory viewing.
Training science and physiology.
Fluid, electrolytes and sweat science.
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| Table | Purpose |
|---|---|
| profiles | User name, email, settings and current programme status |
| raw_imports | Original CSV/API payloads so reports can be regenerated |
| daily_metrics | Calories, macros, body, activity, hydration and WHOOP-derived totals |
| weekly_reports | EPK, hydration, movement, readiness, flags and PDF/report text |
| education_progress | Completed lessons and next recommended content |
Research lessons explain what each value means, what the limits of standardised references are, and how to use the result as a guide for further investigation.
Low-weight / eating-disorder risk check
This calculator is not a medical or eating-disorder screening tool. These checks switch the app into restore-first mode where it avoids restriction, weight-loss or compensatory training guidance.
Mental strain counts because it increases recovery demand. If sleep is poor, stress is high, and you are under-fuelled, your day often behaves like a higher PAL even if steps are modest.
Enter each day’s total calories plus macro calories from Cronometer. Cronometer can show carbs, protein and fat as kcal, which makes the split easier for users to copy across. If you upload a CSV that contains grams, the app converts those grams into macro kcal automatically.
This section uses the Cronometer energy and macro data above. It estimates fluid support from food water and metabolic water, then suggests the remaining drinking-fluid range. It is not a medical fluid prescription.
These do not override the numbers, but they help place them in real physiology.
Complete the calculator to select your track.
Dot 1 = intake energy position. Dot 2 = required EPK position.
When your Cronometer CSV includes these columns, the app now reads them automatically. If a column is missing, it simply shows as unavailable rather than breaking the report.
This report can be copied, saved as PDF, or emailed to yourself with Billy copied in.