01.014 categories
Macronutrients & Dietary Fibre
Nutrient components organised by their chemical and dietary properties.
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Scope
Food and diets, physiology, assessment, life stages, disease, interventions, lifestyle, public nutrition and research methods.
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Search all fields →Food, Nutrients & Dietary Patterns
01.0213 categories
Vitamins
Vitamin identities, forms and food sources.
Boundaries & categories
01.0314 categories
Minerals & Dietary Elements
Foundational knowledge organised by element.
Boundaries & categories
01.047 categories
Water & Other Dietary Components
Water, choline and food-derived components outside the first three groups.
Boundaries & categories
01.0517 categories
Food Sources & Groups
Foods and their commonly consumed forms. Basic products remain with their source food; complex substitutes follow their specific definitions.
Boundaries & categories
01.068 categories
Processing, Cooking & Nutritional Quality
Nutritional quality and food safety in processing, preservation, cooking, fortification and formulation.
Boundaries & categories
01.076 categories
Dietary Patterns & Food Culture
Overall dietary structures, food combinations and cultural contexts.
Boundaries & categories
01.084 categories
Food Composition & Nutrition Information
Concepts, food-composition data and information used to interpret nutritional quality.
Boundaries & categories
Nutritional Physiology & Metabolism
02.014 categories
Eating & Gastrointestinal Physiology
The physiology of eating, digestion and initial absorption.
Boundaries & categories
02.025 categories
Bioavailability, Transport & Storage
Differences between intake, bioavailability and distribution within the body.
Boundaries & categories
02.037 categories
Energy & Nutrient Metabolism
General metabolic pathways and homeostatic regulation.
Boundaries & categories
02.046 categories
Nutrition & Organ System Function
Nutritional actions organised by tissue and system function.
Boundaries & categories
02.055 categories
Gut Microbiota & Nutrition
Interactions between diet, microorganisms and the host.
Boundaries & categories
02.064 categories
Nutritional Genetics & Epigenetics
Mechanisms linking genetic background and nutritional responses.
Boundaries & categories
02.075 categories
Metabolic Stress & Physiological Adaptation
Metabolic changes under physiological or pathological stress.
Boundaries & categories
Nutrition Assessment & Monitoring
03.015 categories
Dietary Intake Assessment
Established methods for estimating an individual’s actual dietary intake.
Boundaries & categories
03.025 categories
Anthropometry & Body Composition
Applied measurement of body size, composition and hydration.
Boundaries & categories
03.035 categories
Clinical & Functional Assessment
Individual factors affecting nutritional intake, utilisation and function.
Boundaries & categories
03.046 categories
Laboratory & Metabolic Indicators
Interpretation of nutrition-related tests under clearly defined conditions of use.
Boundaries & categories
03.055 categories
Nutrition Screening & Diagnosis
Risk screening, integrated assessment, analysis of causes and evidence, and formulation of nutrition diagnoses.
Boundaries & categories
03.069 categories
Requirements, Reference Values & Goals
Reference values, their populations and versions, and measurement or estimation of individual nutrition goals.
Boundaries & categories
03.076 categories
Nutrition Monitoring & Outcomes
Changes following nutrition care and progress towards goals.
Boundaries & categories
Life Stages & Physiological Needs
04.013 categories
Preconception Nutrition
Normal nutritional needs when preparing for reproduction before pregnancy.
Boundaries & categories
04.024 categories
Nutrition in Pregnancy
Requirements by pregnancy stage and additional physiological demands.
Boundaries & categories
04.033 categories
Lactation & Postpartum Nutrition
Maternal nutritional needs after childbirth.
Boundaries & categories
04.045 categories
Infant & Toddler Feeding
General nutrition and feeding from birth to under two years, including cross-stage feeding overviews.
Boundaries & categories
04.053 categories
Preschool & School-age Nutrition
General needs and everyday diets from age two to under twelve, using this directory’s search intervals.
Boundaries & categories
04.064 categories
Adolescence & Puberty
General adolescent needs and nutrition specific to pubertal development.
Boundaries & categories
04.073 categories
Adulthood & Physiological Transitions
Normal adult requirements and specific physiological transitions.
Boundaries & categories
04.085 categories
Nutrition in Older Age
Age-related physiological changes and maintenance of normal function.
Boundaries & categories
Nutrition Disorders & Disease
05.016 categories
Undernutrition & Nutrient Imbalances
Disorders centred on undernutrition, nutrient abnormalities and refeeding risk.
Boundaries & categories
05.025 categories
Weight & Body Composition Disorders
Problems centred on abnormal weight, muscle or body composition.
Boundaries & categories
05.036 categories
Endocrine & Metabolic Diseases
Nutrition in common acquired metabolic and endocrine diseases.
Boundaries & categories
05.044 categories
Cardiovascular Diseases
Nutrition organised by cardiovascular clinical problems.
Boundaries & categories
05.056 categories
Gastrointestinal Diseases
Nutritional management of gastrointestinal disease and intestinal dysfunction.
Boundaries & categories
05.065 categories
Liver, Biliary & Pancreatic Diseases
Nutrition in liver, biliary and pancreatic diseases.
Boundaries & categories
05.075 categories
Kidney & Urinary Diseases
Nutrition-related kidney and urinary system problems.
Boundaries & categories
05.086 categories
Cancer & Haematological Diseases
Nutrition-related cancer risk and prevention, nutrition across cancer stages, and non-deficiency blood disorders.
Boundaries & categories
05.095 categories
Surgery, Trauma & Critical Care
Integrated nutrition care during surgery, severe injury and critical illness.
Boundaries & categories
05.107 categories
Neurological & Psychiatric Conditions
Nutrition-related issues in neurological and psychiatric conditions.
Boundaries & categories
05.112 categories
Respiratory Diseases
Non-infectious respiratory disease and associated nutrition care, including comprehensive cystic fibrosis nutrition.
Boundaries & categories
05.122 categories
Bone, Muscle & Joint Diseases
Bone health disorders and local joint or musculoskeletal diseases not primarily driven by systemic immunity.
Boundaries & categories
05.136 categories
Pregnancy & Reproductive Conditions
Pregnancy-specific complications and reproductive diseases.
Boundaries & categories
05.143 categories
Childhood Feeding & Growth Disorders
Problems specific to prematurity, growth and childhood feeding.
Boundaries & categories
05.155 categories
Inherited Metabolic Diseases
Nutritional management driven by specific inherited metabolic defects.
Boundaries & categories
05.165 categories
Multimorbidity & Special Care
Integrated nutrition problems requiring coordination across diseases or special care goals.
Boundaries & categories
05.172 categories
Infectious Diseases
Nutrition problems centred on infection or a specific infectious disease.
Boundaries & categories
05.182 categories
Systemic Immune & Inflammatory Diseases
Nutrition in systemic autoimmune and inflammatory diseases and non-HIV immunodeficiency.
Boundaries & categories
05.192 categories
Food Allergy & Intolerance
Nutrition care for immune-mediated food allergy and non-immune food intolerance.
Boundaries & categories
05.202 categories
Oral & Maxillofacial Diseases
Nutritional risk, eating and nutrition care in non-cancerous oral and maxillofacial diseases.
Boundaries & categories
05.212 categories
Skin Diseases & Chronic Wounds
Nutrition issues in skin disease, pressure injuries and chronic wounds.
Boundaries & categories
05.222 categories
Eye Diseases
Non-deficiency eye diseases with a clear nutrition research or care connection.
Boundaries & categories
Nutrition Interventions & Support
06.016 categories
Nutrient Adjustment & Clinical Diets
Adjusting intake to established goals, basic hospital diets, texture modification and diets for diagnostic procedures.
Boundaries & categories
06.025 categories
Nutrition Counselling & Behaviour Support
General methods that help individuals understand and follow nutrition plans.
Boundaries & categories
06.035 categories
Oral Nutrition Support & Supplements
General approaches to providing additional nutrition by mouth.
Boundaries & categories
06.046 categories
Enteral Tube Feeding
General nutritional support through gastrointestinal tube feeding.
Boundaries & categories
06.056 categories
Parenteral Nutrition
General methods for providing nutrition intravenously.
Boundaries & categories
06.065 categories
Special Diets & Component Interventions
General intervention strategies that need their own description and conditions of use.
Boundaries & categories
06.076 categories
Integrated & Individualised Care
Integration of nutrition methods, professional roles and continuing care.
Boundaries & categories
06.085 categories
Meal Planning & Menu Design
Turning established nutrition goals into food portions, meal timing and menus, with evaluation of nutritional and practical feasibility.
Boundaries & categories
Nutrition & Lifestyle
07.015 categories
Exercise & Nutrient Supply
Dietary and nutritional arrangements by exercise demands.
Boundaries & categories
07.024 categories
Recovery & Body Composition
Exercise recovery, competitive weight goals and energy availability.
Boundaries & categories
07.034 categories
Sleep & Circadian Rhythms
Relationships between nutrition, sleep, daily schedules and circadian rhythms.
Boundaries & categories
07.045 categories
Eating Behaviour & Psychosocial Factors
How everyday eating behaviour develops and what influences it.
Boundaries & categories
07.054 categories
Daily Activity & Occupational Nutrition
Activity, work and daily living demands experienced by individuals.
Boundaries & categories
07.064 categories
Lifestyle Exposures & Integrated Management
Nutrition relationships involving lifestyle exposures and multiple lifestyle factors.
Boundaries & categories
Public Nutrition & Food Environments
08.014 categories
Population Monitoring & Needs Assessment
Nutritional status and disparities across populations and regions.
Boundaries & categories
08.025 categories
Nutrition Policy & Public Measures
Population policies, guidelines and public interventions.
Boundaries & categories
08.036 categories
Community & Institutional Nutrition
Population diets and nutrition services organised by public-service setting.
Boundaries & categories
08.045 categories
Food Environments & Supply
External conditions that shape access to food and food choices.
Boundaries & categories
08.055 categories
Public Nutrition Education & Communication
Nutrition education and communication for populations.
Boundaries & categories
08.065 categories
Nutrition Services & Quality Governance
Institutional and system-level service organisation, capacity and quality management.
Boundaries & categories
Nutrition Research & Evidence
09.014 categories
Mechanistic & Experimental Methods
Experimental designs and models for investigating mechanisms.
Boundaries & categories
09.025 categories
Nutritional Epidemiology
Methods for observational research and analysis of nutritional exposures.
Boundaries & categories
09.035 categories
Clinical & Behavioural Intervention Research
Design and implementation methods for human nutrition intervention trials.
Boundaries & categories
09.045 categories
Evidence Synthesis & Guidelines
Methods for forming evidence and recommendations from research.
Boundaries & categories
09.056 categories
Nutritional Omics & Data Science
Methods for omics measurement, models and computational tools.
Boundaries & categories
09.066 categories
Measurement, Statistics & Outcomes
Methodology for nutrition measurement, statistics and outcome indicators.
Boundaries & categories
09.076 categories
Translation, Implementation & Research Governance
Methods for applying research findings and governing research.
Boundaries & categories
Each topic has one primary home, with connections to related fields.
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