Protocol Glossary
Science-backed definitions for every term in your health data: plain English and the mechanism behind it.
Insulin Resistance
When your cells stop listening to insulin: the metabolic dysfunction behind energy crashes and fat gain
→ Read definitionLeucine Threshold
The minimum leucine dose that triggers muscle protein synthesis, and why meal size matters
→ Read definitionMetabolic Flexibility
Your body's ability to switch fuel sources: the difference between steady energy and crashes
→ Read definitionTotal Daily Energy Expenditure (TDEE)
The total calories your body burns in 24 hours
→ Read definitionBasal Metabolic Rate (BMR)
Calories your body burns at rest just to stay alive
→ Read definitionExercise Energy Expenditure (EEE)
Calories burned during formal exercise, often overestimated
→ Read definitionLean Body Mass
Total weight minus fat, the mass that drives your metabolism
→ Read definitionBody Fat Percentage
Fat mass as a fraction of total body weight
→ Read definitionThermic Effect of Food (TEF)
The calories your body burns digesting what you eat
→ Read definitionNon-Exercise Activity Thermogenesis (NEAT)
The calories you burn moving without trying to exercise
→ Read definitionBlood Sugar Regulation
How tightly your body controls glucose all day
→ Read definitionGlycemic Index (GI)
How fast a food raises blood glucose
→ Read definitionEnergy Availability
Calories left for recovery after training cost
→ Read definitionBody Composition
The ratio of fat mass to lean mass
→ Read definitionMore terms added regularly. Check back for new entries across all categories.