National Diet and Nutrition Survey: people aged 65 years and over

NDNS 65+: Prevalence of Vitamin D Deficiency
Plasma 25-hydroxyvitamin D <25nmol/l

•Plasma 25-OHD levels show considerable seasonal variation with low levels being commonplace in late winter and spring.

•Dietary sources provide approximately 10% of intake of the vitamin.

•Preferred level for those with osteoporosis is >75 nmol/l