This consensus statement on vitamin D represents the unified views of the British Association of Dermatologists, Cancer Research UK, Diabetes UK, the Multiple Sclerosis Society, the National Heart Forum, the National Osteoporosis Society and the Primary Care Dermatology Society. The following subjects are covered:

• Vitamin D requirements

• Factors affecting vitamin D levels and groups at high risk of vitamin D deficiency

• Sun exposure

• Dietary sources

• Supplements

• Vitamin D and the risk of diseases

• Sunbeds

• Further research