Metabolic Assessment · London
A measurement of the energy your body expends at complete rest, doing nothing. No formula, no estimation — the actual number from your own metabolism. 20–30 minutes. Full report.
£135 · 20–30 min · UNTIL Liverpool Street & Marylebone
Calories your body burns at rest — not an estimate. RMR in kcal/day, oxygen consumption and carbon dioxide production at rest. Direct measurement, not calculated from a formula.
What fuel your body is burning at rest. RQ near 0.7 indicates primarily fat burning. RQ near 1.0 indicates primarily carbohydrate burning. An indicator of metabolic flexibility and diet adherence.
Total Daily Energy Expenditure estimate, calorie targets for body composition goals, starting macronutrient framework, and comparison to predicted formula values.
01 Arrive Fasted: Come at least 4 hours without food or caffeinated drinks. Avoid intense exercise for 12 hours before. Rest briefly before we begin.
02 Breathe at Rest: Sit or lie still while breathing through the KORR CardioCoach Max mask for 20–30 minutes. No effort required — this is a resting measurement.
03 Results: Your RMR, respiratory quotient and daily energy targets are reviewed with you immediately. Written report with actionable nutrition guidance.
Equipment: KORR CardioCoach Max — indirect calorimetry measuring oxygen and CO₂ at rest.
Written metabolic report. 1:1 review on the day. Actionable calorie and macronutrient targets based on your actual metabolism.
280 Bishops Square, London EC2M 4RB. Liverpool Street, Moorgate, Shoreditch High Street and Aldgate stations.
1 Orchard Street, London W1H 6HJ. Bond Street, Marble Arch and Baker Street stations.
RMR is the number of calories your body burns at complete rest. It accounts for roughly 60–75% of total daily energy expenditure for most people.
Online calculators are population averages. Individual metabolisms can vary by 300–500 kcal/day from any formula. The KORR CardioCoach Max measures your actual metabolism directly.
Fast for at least 4 hours (no food, no caffeinated drinks). Avoid intense exercise for 12 hours before. Arrive and rest for 10–15 minutes before the test begins.
£135 for the full session at UNTIL Liverpool Street or UNTIL Marylebone, London.