Group Vitamin D Daily Dose % Reference Intake
Children 200 IU (5 μg) 100%
Adults (including pregnant and breastfeeding women) 400 IU (10 μg) during the Autumn and Winter 200%
People with low sun exposure or decreased skin synthesis of vitamin D who may not get enough vitamin D from the sunlight (confined indoors or with covered skin, such as African, African-Caribbean or South Asian) 400 IU (10 μg) 200%