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Area of Science:

  • Nutritional Science
  • Public Health Nutrition
  • Food Science

Background:

  • Danish population exhibits low dietary vitamin D intake.
  • Food fortification is a viable strategy to enhance vitamin D levels.
  • Current dietary patterns do not meet recommended vitamin D intake.

Purpose of the Study:

  • To determine optimal vitamin D fortification levels for Danish foods.
  • To ensure adequate vitamin D intake without altering dietary habits.
  • To identify fortification strategies that meet average requirements (AR) and avoid exceeding tolerable upper intake levels (UL).

Main Methods:

  • Utilized a mixed-integer programming approach.
  • Modeled current Danish food intake patterns.
  • Calculated optimal fortification levels across food groups to meet AR and stay below UL.

Main Results:

  • Significant increase in population vitamin D intake demonstrated.
  • Achieved adequate vitamin D levels without requiring changes in dietary patterns.
  • Method provides a neutral approach to food group preferences.

Conclusions:

  • Food fortification is an effective strategy to improve vitamin D status in Denmark.
  • The mixed-integer programming model offers a flexible tool for personalized fortification strategies.
  • The approach ensures public health goals for vitamin D intake are met efficiently.