Reference publication · Founded 2025
An open reference for nutrition, metabolic, and food-science terminology.
Nutrition Reference is an editorially-independent glossary of nutrition science terminology — macronutrient biochemistry, micronutrient bioavailability, metabolic physiology, and the concepts behind modern dietary assessment. Each entry is peer-reviewed against primary sources.
Recently updated
- Amino Acids The organic building blocks that assemble into proteins and serve as precursors to neurotransmitters, hormones, and metabolic intermediates.
- DIAAS Score A protein quality metric that scores dietary protein by the ileal digestibility of each indispensable amino acid relative to human requireme…
- Protein Leverage Hypothesis The hypothesis that humans prioritize absolute protein intake over total energy intake, overeating fats and carbohydrates until a protein qu…
- Gut Microbiome Diversity The richness and evenness of microbial taxa inhabiting the gastrointestinal tract, serving as a common biomarker of gut ecosystem health.
- Absorption Kinetics The time course of nutrient uptake from the intestinal lumen into circulation, characterized by rate constants, area under the curve, and pe…
- Postprandial Response The coordinated metabolic, hormonal, and hemodynamic changes following a meal, including glucose, lipid, amino acid, and hormonal responses …