1. NICE. Vitamin D deficiency in adults—treatment and prevention. NICE Clinical Knowledge Summary. NICE, 2016. cks.nice.org.uk/vitamin-d-deficiency-in-adults-treatment-and-prevention (accessed 11 April 2018).

view/access

​

2. Public Health England (PHE) press office. PHE publishes new advice on vitamin D. PHE, 2016. gov.uk/government/news/phe-publishes-new-advice-on-vitamin-d (accessed 11 April 2018).

view/access

​

3. Powers H, Cashman K, Francis R, the Scientific Advisory Commission on Nutrition (SACN) Working Group on Vitamin D. Vitamin D and health. SACN, 2016. Available at: www.gov.uk/government/uploads/system/uploads/attachment_data/file/537616/SACN_Vitamin_D_and_Health_report.pdf

view/access

​

4. NICE. Vitamin D deficiency in children. NICE Clinical Knowledge Summary. NICE, 2016. cks.nice.org.uk/vitamin-d-deficiency-in-children#!diagnosissub (accessed 11 April 2018).

view/access

​

5. Francis R, Aspray T, Fraser W et al. Vitamin D and bone health: a practical clinical guideline for patient management. Bath: National Osteoporosis Society, 2013. Available at: nos.org.uk/media/2073/vitamin-d-and-bone-health-adults.pdf

view/access

​

6. Dawson-Hughes B, Cooper C. IOF statement on new IOM dietary reference intakes for calcium and vitamin D. Switzerland: International Osteoporosis Foundation, 2010. iofbonehealth.org/iof-statement-new-iom-dietary-reference-intakes-calcium-and-vitamin-d (accessed 11 April 2018).

view/access

​

7. NHS Hertfordshire. Guidance on vitamin D deficiency/insufficiency—November 2011 (updated February 2012). NHS Hertfordshire, 2012. Available at: psnc.org.uk/kentlpc/wp-content/uploads/sites/106/2016/03/Herts-Guidance-on-Vitamin-D-Deficiency-201111HMMC-Updated-Feb-2012-Long.pdf

view/access

​

8. Cancer Research UK (CRUK). Let’s stay safe in the sun. CRUK, 2017. Available at: publications.cancerresearchuk.org/sites/default/files/publication-files/CRUK%20-%20Cut%20Your%20Cancer%20Risk%20-%20Sunsmart%20Leaflet.pdf

view/access

​

9. NHS Choices. How to get vitamin D from sunlight. NHS Choices, 2015. nhs.uk/Livewell/Summerhealth/Pages/vitamin-D-sunlight.aspx (accessed 11 April 2018).

view/access

​

10. Cancer Research. Sunbeds and cancer. Available at: cancerresearchuk.org/about-cancer/causes-of-cancer/sun-uv-and-cancer/sunbeds-and-cancer (accessed 11 April 2018).

view/access

​

11. British Dietetic Association (BDA). Food fact sheet—vitamin D. BDA, 2016. Available at: www.bda.uk.com/foodfacts/VitaminD.pdf

view/access