Knowledge Base

Glossary

Clear explanations of terms used in lab testing, physiology, supplementation, and Natalia’s educational materials. This glossary is educational and does not replace a diagnosis or medical advice.

A

Alkaline phosphatase

An enzyme associated with the liver, bile ducts and bones, among other tissues. Interpretation depends on the remaining data.

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AST

An enzyme found in the liver and muscles, among other tissues. A single result does not identify the source of a possible abnormality.

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Apolipoprotein B

A protein found in particles that transport certain lipids. The result is interpreted as part of a broader cardiovascular risk assessment.

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Antioxidant

A compound that may limit oxidation reactions. Its effect depends on its form, amount and the wider biological environment.

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Androgens

A group of steroid hormones associated with metabolism, sex characteristics and sebaceous gland activity, among other functions.

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Adaptogen

A term used for a substance described as supporting the body's adaptation to stressors. Its meaning depends on the specific ingredient, dose and safety.

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B

Barrier function

A tissue's ability to provide selective protection and exchange with its environment, relevant to the skin and gut among other tissues.

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Bilirubin

A product of haemoglobin metabolism processed by the liver. The result requires differentiation of its fractions and the context of other tests.

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Basophils

A population of white blood cells involved in immune reactions. The result is assessed within the white blood cell differential.

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C

Circadian rhythm

An approximately twenty four hour rhythm of biological processes, synchronised by light and meal timing among other signals.

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Creatine kinase

An enzyme found especially in muscles. The result may depend on physical activity and tissue damage, among other factors.

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Calprotectin

A protein measured in stool, among other samples, as a marker that supports the assessment of inflammation in the digestive tract.

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D

Differential diagnosis

The process of considering different possible causes of symptoms and gradually distinguishing between them, performed by an authorised professional.

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E

Estradiol

A steroid hormone from the oestrogen group. The result depends on sex, age and the phase of the menstrual cycle, among other factors.

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Eosinophils

A population of white blood cells associated with allergic reactions and responses to certain parasites, among other functions.

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Elimination diet

The temporary exclusion of specific foods for a clearly defined purpose. It requires a reintroduction plan and an assessment of deficiency risk.

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F

Functional deficiency

A description of a situation in which the availability or use of a nutrient may be insufficient despite the absence of a classic deficiency picture.

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FT3

The free fraction of triiodothyronine, a thyroid hormone. It should not be interpreted without a clear indication and the remaining parameters.

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G

Glycaemic index

An index describing the blood glucose response after a portion of food containing a specified amount of carbohydrate.

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H

HOMA index

An index calculated from fasting glucose and insulin, used as a supporting measure in the assessment of insulin sensitivity.

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Histamine reactivity

A description of symptoms associated with histamine release or metabolism that requires other possible causes to be differentiated.

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Hydrolysate

A product of partially breaking down protein into smaller fragments, found in foods and supplements among other products.

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Homocysteine

An amino acid formed during methionine metabolism. The result depends on many factors and requires broader interpretation.

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HOMA IR

An index calculated from fasting glucose and insulin, used as a supporting measure in the assessment of insulin metabolism.

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Haematocrit

The proportion of red blood cell volume in the total blood volume, interpreted together with other complete blood count parameters.

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HDL cholesterol

Cholesterol transported in HDL particles. The result is part of a lipid profile and should not be assessed in isolation.

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I

Irritable bowel

An everyday term for irritable bowel syndrome, whose diagnosis requires medical assessment and the exclusion of other causes.

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Immunoglobulin

An immune protein that recognises specific structures. Different classes of immunoglobulins perform different functions.

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L

Large intestine

The final part of the digestive tract, associated with fluid balance and microbiome activity, among other functions.

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LDL cholesterol

Cholesterol transported in LDL particles. The meaning of the result depends on the entire lipid profile and clinical risk.

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M

N

O

P

R

Reference range

A range of values established for a specific population and method that serves as a reference point, not a diagnosis.

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Regeneration

The process of rebuilding tissues and restoring their function, dependent on many biological and environmental conditions.

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Reference interval

A range of values established for a specific population and laboratory method that serves as a reference point, not a diagnosis.

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S

Sebaceous glands

Skin structures that produce sebum. Its amount and composition depend on hormones and the local skin environment, among other factors.

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T

Test result interpretation

The process of connecting a result with its range, measurement conditions, symptoms, health history and other data.

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Total protein

The combined amount of the main plasma proteins. The meaning of the result depends on albumin, globulins and the clinical picture.

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U

V

W

Z

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Resources that organize the knowledge step by step

The glossary explains the terms. The products provide broader context, a structured path and resources for independent work.