Asymptomatic adult groups at risk of vitamin D insufficiency 1,2

Up to 50% of adults in the UK are thought to have insufficient levels of vitamin D, and it is thought that at least 16% of UK adults have severe deficiency during winter and spring.3

• All pregnant and breastfeeding women especially teenagers and young women. 
• Older people aged 65+ 
• People with low sun exposure e.g cover skin for cultural reasons, are housebound or confined indoors for long periods
• People with darker skin because their skin is not able to make sufficient Vitamin D


1. Vitamin D: increasing supplement use in at-risk groups NICE guidelines [PH56] Published date: November 2014.  Available at Vitamin D: increasing supplement use in at-risk groups: 
2. DoH Guidance (Vitamin D Advice on supplements for at risk groups. Letter from the UK Chief Medical Officers.  Available at
3. Pearce S & Cheetham. T Diganosis and management of vitamin D deficiency. BMJ. 2010; 340:b5664