Protocol Glossary
Science-backed definitions for every term in your health data: plain English and the mechanism behind it.
Anti-inflammatory Foods
Foods that lower the immune system background noise
→ Read definitionBasal Metabolic Rate (BMR)
Calories your body burns at rest just to stay alive
→ Read definitionBlood Sugar Regulation
How tightly your body controls glucose all day
→ Read definitionBody Composition
The ratio of fat mass to lean mass
→ Read definitionBody Fat Percentage
Fat mass as a fraction of total body weight
→ Read definitionCaffeine Metabolism
How your body processes caffeine and why the timing matters
→ Read definitionCaloric Deficit
The engine behind every fat loss outcome
→ Read definitionCaloric Surplus
The fuel requirement for building muscle
→ Read definitionCarb Periodization
Matching carbohydrate intake to training demand day by day
→ Read definitionCreatine
The most evidence-backed supplement for strength and power output
→ Read definitionEnergy Availability
Calories left for recovery after training cost
→ Read definitionEnergy Balance
The master equation of body composition
→ Read definitionEssential Amino Acids (EAAs)
The 9 amino acids your body cannot make and must obtain from food
→ Read definitionExercise Energy Expenditure (EEE)
Calories burned during formal exercise, often overestimated
→ Read definitionFat Adaptation
Training your body to burn fat as its primary fuel
→ Read definitionGlycemic Index (GI)
How fast a food raises blood glucose
→ Read definitionGut Microbiome
The ecosystem in your gut that shapes your health
→ Read definitionGut-Brain Axis
The two-way communication highway between gut and brain
→ Read definitionInsulin Resistance
→ Read definitionIntermittent Fasting (IF)
Cycling between eating windows and fasting periods
→ Read definitionKetosis
When the liver runs on fat and makes fuel for the brain
→ Read definitionLean Body Mass
Total weight minus fat, the mass that drives your metabolism
→ Read definitionLeucine Threshold
The minimum leucine dose that triggers muscle protein synthesis, and why meal size matters
→ Read definitionMagnesium
The mineral that keeps your nervous system calm
→ Read definitionMetabolic Flexibility
Your body's ability to switch fuel sources: the difference between steady energy and crashes
→ Read definitionNon-Exercise Activity Thermogenesis (NEAT)
The calories you burn moving without trying to exercise
→ Read definitionOmega-3 Fatty Acids
Anti-inflammatory fats that support recovery, brain health, and cardiovascular function
→ Read definitionPhosphatidylserine
A brain-dense phospholipid that blunts cortisol and supports cognitive recovery
→ Read definitionProtein Timing
When you eat protein matters less than most think, but more than some claim
→ Read definitionRate of Weight Loss
How fast you lose determines what you lose
→ Read definitionThermic Effect of Food (TEF)
The calories your body burns digesting what you eat
→ Read definitionTime-Restricted Eating (TRE)
Compressing daily eating into a consistent window aligned to your clock
→ Read definitionTotal Daily Energy Expenditure (TDEE)
The total calories your body burns in 24 hours
→ Read definitionVisceral Fat
The metabolically active fat that surrounds your organs
→ Read definitionWeekly Energy Balance
What actually moves the scale over time
→ Read definitionMore terms added regularly. Check back for new entries across all categories.