Source: https://guthlabs.ai/docs/instrument-workflows/metabolic-suite/

instrument cross-check / verified-workflow-definition

# Metabolic Health Suite

Energy budget and body composition with built-in method agreement.

Status: **observed**Lifecycle: **verified-workflow-definition**

## Goal

Energy budget and body composition with built-in method agreement.

## Instrument chain

- 01

**[BMI Calculator](<https://guthlabs.ai/docs/instruments/bmi-calculator/>)**

anthropometrics

VERIFIED

- 02

**[BMR/TDEE (Mifflin-St Jeor)](<https://guthlabs.ai/docs/instruments/bmr-tdee-mifflin-st-jeor/>)**

primary BMR

VERIFIED

- 03

**[Harris-Benedict BMR (legacy)](<https://guthlabs.ai/docs/instruments/harris-benedict-bmr-legacy/>)**

cross-check BMR

VERIFIED

- 04

**[Body Fat % Estimator (US Navy method)](<https://guthlabs.ai/docs/instruments/body-fat-estimator-us-navy-method/>)**

primary BF%

VERIFIED

- 05

**[Body Fat % (BMI-based, Deurenberg)](<https://guthlabs.ai/docs/instruments/body-fat-bmi-based-deurenberg/>)**

cross-check BF%

VERIFIED

- 06

**[Ideal/Adjusted Body Weight](<https://guthlabs.ai/docs/instruments/ideal-adjusted-body-weight/>)**

dosing/goal weight

VERIFIED

- 07

**[Target Heart Rate Zones](<https://guthlabs.ai/docs/instruments/target-heart-rate-zones/>)**

training zones

VERIFIED

- 08

**[VO2max Estimator (non-exercise / walk test)](<https://guthlabs.ai/docs/instruments/vo2max-estimator-non-exercise-walk-test/>)**

fitness

VERIFIED

- 09

**[Hydration Needs Estimator](<https://guthlabs.ai/docs/instruments/hydration-needs-estimator/>)**

fluids

VERIFIED

- 10

**[Waist-to-Hip / Waist-to-Height Ratio](<https://guthlabs.ai/docs/instruments/waist-to-hip-waist-to-height-ratio/>)**

risk ratios

VERIFIED

## Handoffs and cross-checks

BMI feeds Deurenberg; TDEE feeds hydration/nutrition; two BMR and two BF% methods run in parallel.

## PointGuard stance

Always run both BMR formulas and both BF% methods; report the spread, not one number — divergence >10% means inputs deserve a second look.

## Sources and evidence

These pointers bind the page to evidence. They do not grant authority or collapse verification into deployment.

- `INSTRUMENT_COMBOS.json`

- `VERIFIED_LEDGER.json`