Vitamin d

All Britons should take vitamin D supplements, PHE advises

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Everyone in Britain should take vitamin D supplements during the autumn and winter months, Public Health England (PHE) will advise the government today.

This advice is based on the recommendations of the Scientific Advisory Committee on Nutrition (SACN) following its review of the evidence on vitamin D and health.

Vitamin D is made in the skin by the action of sunlight and this is the main source of vitamin D for most people. SACN could not say how much vitamin D is made in the skin through exposure to sunlight, so it is therefore recommending a daily dietary intake of 10 micrograms (the level needed to maintain bone and muscle health)

PHE advises that in spring and summer, the majority of the population can get enough vitamin D through sunlight on the skin and a healthy, balanced diet. During autumn and winter, everyone relies dietary sources of vitamin D. Given the difficulties of achieving the 10 microgram recommendation from the normal diet it says people should take a daily supplement containing 10 micrograms of vitamin D in autumn and winter.

People whose skin has little or no exposure to the sun, like those in institutions such as care homes, or who always cover their skin when outside, risk vitamin D deficiency and need to take a supplement throughout the year. Ethnic minority groups with dark skin, from African, Afro-Caribbean and South Asian backgrounds, may not get enough vitamin D from sunlight in the summer and therefore should consider taking a supplement all year round.

Children aged 1 to 4 years should have a daily 10 microgram vitamin D supplement. PHE recommends that babies are exclusively breastfed until around 6 months of age. As a precaution, all babies under 1 year should have a daily 8.5 to 10 microgram vitamin D supplement to ensure they get enough. Children who have more than 500ml of infant formula a day do not need any additional vitamin D as formula is already fortified.

Dr Louis Levy, Head of Nutrition Science at PHE, said: “A healthy, balanced diet and short bursts of sunshine will mean most people get all the vitamin D they need in spring and summer. However, everyone will need to consider taking a supplement in the autumn and winter if you don’t eat enough foods that naturally contain vitamin D or are fortified with it. And those who don’t get out in the sun or always cover their skin when they do, should take a vitamin D supplement throughout the year.”

 

 

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