Effect of supplementation with vitamin D2-enhanced mushrooms on vitamin D status in healthy adults

Magdalena Stepien, Louise O'Mahony, Aifric O'Sullivan, John Collier, William D Fraser, Michael J Gibney, Anne P Nugent, Lorraine Brennan

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)


Vitamin D deficiency is emerging worldwide and many studies now suggest its role in the development of several chronic diseases. Due to the low level of vitamin D naturally occurring in food there is a need for supplementation and use of vitamin D-enhanced products. The aim of the present study was to determine if daily consumption of vitamin D2-enhanced mushrooms increased vitamin D status in free-living healthy adults or affected markers of the metabolic syndrome. A total of ninety volunteers (aged 40-65 years) were randomly assigned to one of two 4-week studies: mushroom study (15 µg vitamin D2 or placebo mushroom powder) and capsule study (15 µg vitamin D3 or placebo capsules). Consumption of vitamin D2-enhanced mushrooms increased serum 25-hydroxyvitamin D2 (25(OH)D2) by 128 % from baseline (3·9 (sd 1·9) nmol/l; P 
Original languageEnglish
Pages (from-to)e29
JournalJournal of Nutritional Science
Publication statusPublished - 2013

Cite this