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Background/Objective <p>Low vitamin D intake and prevalence of serum 25-hydroxyvitamin D concentration &lt;50 nmol/L among Aboriginal and Torres Strait Islander peoples highlight a need for public health strategies to improve vitamin D status. Since few foods contain naturally occurring vitamin D, food fortification could be a suitable strategy. We aimed to model vitamin D food fortification scenarios among Aboriginal and Torres Strait Islander peoples.</p> Methods <p>We used nationally representative food consumption data (<i>n</i> = 4109, aged ≥2 years) and vitamin D food composition data to model four scenarios. Scenario 1 included the maximum vitamin D concentrations permitted for fortification in Australia: i) dairy products and alternatives, ii) butter/margarine/edible oil spreads, iii) formulated beverages, and iv) selected ready-to-eat breakfast cereals. Scenarios 2a-c included some vitamin D concentrations higher than permitted in Australia. Scenario 2a: i) dairy products and alternatives, ii) butter/margarine/edible oil spreads, iii) formulated beverages. Scenario 2b: as per Scenario 2a plus selected ready-to-eat breakfast cereals. Scenario 2c: as per Scenario 2b plus bread (not permitted for vitamin D fortification in Australia).</p> Results <p>Vitamin D fortification could potentially increase median vitamin D intake by ~3–6 µg/day. Scenario 2c had the highest potential increase in median vitamin D intake at ~8 μg/day. Across all modelled scenarios, none of the participants had vitamin D intake above the Australian upper level of intake of 80 μg/day.</p> Conclusion <p>Vitamin D fortification could increase vitamin D intake among Aboriginal and Torres Strait Islander peoples, even considering the restrictions on the foods permitted for fortification in Australia.</p>

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Modelling vitamin D food fortification among Aboriginal and Torres Strait Islander peoples in Australia

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年4月9日

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  • Belinda Neo,
  • Noel Nannup,
  • Dale Tilbrook,
  • Eleanor Dunlop,
  • John Jacky,
  • Carol Michie,
  • Cindy Prior,
  • Brad Farrant,
  • Carrington C. J. Shepherd,
  • Lucinda J. Black

摘要

Background/Objective

Low vitamin D intake and prevalence of serum 25-hydroxyvitamin D concentration <50 nmol/L among Aboriginal and Torres Strait Islander peoples highlight a need for public health strategies to improve vitamin D status. Since few foods contain naturally occurring vitamin D, food fortification could be a suitable strategy. We aimed to model vitamin D food fortification scenarios among Aboriginal and Torres Strait Islander peoples.

Methods

We used nationally representative food consumption data (n = 4109, aged ≥2 years) and vitamin D food composition data to model four scenarios. Scenario 1 included the maximum vitamin D concentrations permitted for fortification in Australia: i) dairy products and alternatives, ii) butter/margarine/edible oil spreads, iii) formulated beverages, and iv) selected ready-to-eat breakfast cereals. Scenarios 2a-c included some vitamin D concentrations higher than permitted in Australia. Scenario 2a: i) dairy products and alternatives, ii) butter/margarine/edible oil spreads, iii) formulated beverages. Scenario 2b: as per Scenario 2a plus selected ready-to-eat breakfast cereals. Scenario 2c: as per Scenario 2b plus bread (not permitted for vitamin D fortification in Australia).

Results

Vitamin D fortification could potentially increase median vitamin D intake by ~3–6 µg/day. Scenario 2c had the highest potential increase in median vitamin D intake at ~8 μg/day. Across all modelled scenarios, none of the participants had vitamin D intake above the Australian upper level of intake of 80 μg/day.

Conclusion

Vitamin D fortification could increase vitamin D intake among Aboriginal and Torres Strait Islander peoples, even considering the restrictions on the foods permitted for fortification in Australia.