Health Dictionary

Nutrition and health terms, A to Z.

Short, plain-language definitions linked to deeper learning. This dictionary explains concepts — it does not diagnose conditions.

Sample definitions — pending review

Absorption: [Draft] The process by which nutrients pass from the digestive tract into the body.
Bioavailability: [Draft] The proportion of a nutrient that is absorbed and available for use.
Macronutrients: [Draft] Nutrients needed in larger amounts: carbohydrates, proteins and fats.
Micronutrients: [Draft] Vitamins and minerals needed in smaller amounts.
Nutraceutical: [Draft] A broad term for food-derived products marketed for a health-related purpose.
Placebo: [Draft] An inactive comparison used in studies to separate real effects from expectation.
Serving size: [Draft] The reference amount that all values on a label are based on.

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