Nutrition terms.
Protocol Glossary.
Science-backed definitions for every term in your health data: plain English and the mechanism behind it.
47 terms in Nutrition
B
5 terms
- Basal Metabolic Rate (BMR)Calories your body burns at rest just to stay alive
- BCAAs (Branched-Chain Amino Acids)Three essential amino acids sold as a supplement, but incomplete without the other six
- Blood Sugar RegulationHow tightly your body controls glucose all day
- Body CompositionThe ratio of fat mass to lean mass
- Body Fat PercentageFat mass as a fraction of total body weight
C
5 terms
- Caffeine MetabolismHow your body processes caffeine and why the timing matters
- Caloric DeficitThe engine behind every fat loss outcome
- Caloric SurplusThe fuel requirement for building muscle
- Carb PeriodizationMatching carbohydrate intake to training demand day by day
- CreatineThe most evidence-backed supplement for strength and power output
E
4 terms
- Energy AvailabilityCalories left for recovery after training cost
- Energy BalanceThe master equation of body composition
- Essential Amino Acids (EAAs)The 9 amino acids your body cannot make and must obtain from food
- Exercise Energy Expenditure (EEE)Calories burned during formal exercise, often overestimated
G
4 terms
- Glycemic Index (GI)How fast a food raises blood glucose
- Glycemic LoadHow much a food actually raises your blood sugar, factoring in both how fast its carbs digest and how much of it you eat.
- Gut MicrobiomeThe ecosystem in your gut that shapes your health
- Gut-Brain AxisThe two-way communication highway between gut and brain
P
3 terms
- PhosphatidylserineA brain-dense phospholipid that blunts cortisol and supports cognitive recovery
- Prebiotics vs. ProbioticsTwo different tools for gut bacteria: one feeds the microbes you already have, the other adds new ones temporarily.
- Protein TimingWhen you eat protein matters less than most think, but more than some claim
S
3 terms
- Satiety IndexA ranking of how full different foods leave you, scored against white bread at 100 percent
- Short-Chain Fatty Acids (SCFAs)The fermentation byproducts that fuel your gut lining and calm inflammation
- Subcutaneous FatThe fat stored just beneath the skin, distinct from the visceral fat around your organs
More terms added regularly. Check back for new entries across all categories.
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