Do orange juice have vitamin d
Pro Research Analysisby 
Searched over 200M research papers
Vitamin D in Orange Juice: A Comprehensive Overview
Introduction to Vitamin D Fortification in Orange Juice
Vitamin D is essential for maintaining healthy bones and supporting the immune system. Traditionally, milk has been the primary vehicle for vitamin D fortification. However, due to lactose intolerance and milk allergies, alternative sources such as orange juice have been explored for fortification.
Bioavailability of Vitamin D in Fortified Orange Juice
Research indicates that vitamin D, whether in the form of D2 or D3, is equally bioavailable when consumed through fortified orange juice as it is through supplements. A study comparing the bioavailability of vitamin D2 and D3 from orange juice and supplements found no significant difference in serum 25-hydroxyvitamin D levels between the two sources. This suggests that fortified orange juice is an effective medium for delivering vitamin D.
Impact on Vitamin D Status in Children and Adults
Fortified orange juice has been shown to improve vitamin D status in both children and adults. In a study involving children, daily consumption of orange juice fortified with 200 IU of vitamin D significantly increased serum 25-hydroxyvitamin D levels over 12 weeks. Similarly, adults consuming orange juice fortified with 1000 IU of vitamin D3 daily for 12 weeks experienced a 150% increase in serum 25-hydroxyvitamin D3 concentrations.
Nutritional Content and Health Benefits
Analysis of retail fortified orange juice samples revealed that they contain an average of 57 IU of vitamin D3 per 100 grams, translating to approximately 140 IU per 240 mL serving. This fortification level is sufficient to contribute significantly to daily vitamin D intake, especially for individuals who may not consume other fortified foods or supplements.
Additional Health Benefits
Beyond improving vitamin D status, fortified orange juice has been associated with other health benefits. For instance, a study found that calcium and vitamin D-fortified orange juice contributed to a reduction in abdominal visceral adipose tissue in overweight and obese adults. Additionally, fortified orange juice has been linked to better bone health, with higher intakes of bone-related micronutrients and improved bone mineral density and content in both children and adults.
Conclusion
Fortified orange juice is a viable and effective source of vitamin D, offering comparable bioavailability to traditional supplements. Regular consumption of vitamin D-fortified orange juice can significantly improve vitamin D status and contribute to overall health, particularly in populations with limited dairy intake. This makes it a valuable addition to the diet for maintaining adequate vitamin D levels and supporting bone health.
Sources and full results
Most relevant research papers on this topic