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Étiquetage et réglementation

Recommended Daily Allowance

The daily nutrient intake recommended for optimal health.

Definition

The average daily intake level of a nutrient sufficient to meet the needs of nearly all healthy individuals in a specific age and gender group.

How it works

The Recommended Daily Allowance (RDA) is a nutrient reference value established by nutrition experts based on scientific evidence of requirements for different population groups. It represents the intake level that meets the nutritional needs of 97-98% of healthy individuals in a particular age and sex group. The RDA varies by nutrient, age, sex, and life stage (pregnancy, lactation, etc.). Food labels often reference RDA values to help consumers understand whether products contribute meaningfully to daily nutrient goals. Different countries may use equivalent terms like RDI (Reference Daily Intake).

Role

Provides evidence-based guidance on nutrient intake levels needed to maintain health and prevent deficiency diseases.

Examples

  • 1000 mg of calcium daily for adults
  • 15 mg of vitamin E for adult women
  • 8 mg of iron for adult men

Recommendations

Use RDA values as general guidance, but remember individual needs may vary based on health status, activity level, and life stage. Focus on meeting RDA through a varied, balanced diet when possible. Consult healthcare providers for personalized recommendations.

Key takeaway

RDA represents the evidence-based daily nutrient intake needed for optimal health in specific population groups.

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