Great Britain: Scientific Advisory Committee on Nutrition: Vitamin A Subgroup's Books

Review of Dietary Advice on Vitamin A

By: Great Britain: Scientific Advisory Committee on Nutrition: Vitamin A Subgroup,Great Britain: Department of Health,Food Standards Agency

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Review of Dietary Advice on Vitamin A

By: Great Britain: Scientific Advisory Committee on Nutrition: Vitamin A Subgroup,Great Britain: Department of Health,Food Standards Agency

This report reassess the dietary advice to consumers on foods and supplements containing Vitamin A (retinol), given evidence from the National Diet and Nutrition Survey that the dietary intake for some adults might exceed the safety guidance level set by the Expert Group on Vitamins and Minerals (EVM) in 2003. Liver and dietary supplements (including fish liver oils) are the main sources of retinol. The report concludes that there is insufficient evidence on the association between high intakes of retinol and poor bone health to justify a change in dietary advice for all consumers, but as a precaution for those who are regular consumers of liver (once a week or more) it may be advisable to avoid supplements containing retinol. People at risk of osteoporosis (such as postmenopausal women and older people) are also advised to limit their retinol intakes. Further research is needed on the relationship between retinol intake and bone fracture risk.

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Page Count

184

Publisher

The Stationery Office

Published Date

ISBN 10

0112430880

ISBN 13

9780112430889

Folate and disease prevention

By: Great Britain: Scientific Advisory Committee on Nutrition

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Folate and disease prevention

By: Great Britain: Scientific Advisory Committee on Nutrition

This review updates the report by the Committee on Medical Aspects of Food Policy (COMA) "Folic acid and the prevention of disease" (Report on health and social subjects no. 50, 2000, ISBN 0113223048). The Committee has weighed the evidence which shows significant benefits of folic acid fortification in reducing the risk of pregnancies affected by a neural tube defect (NTD) against the evidence of potential harm in fortification in relation to delaying diagnosis of vitamin B12 deficiency and increasing the progression of bowel cancer. It recommends mandatory fortification of flour with folic acid as the most effective way to increase folate intakes of women most at risk of NTD-affected pregnancies, provided voluntary fortification is controlled and advice is given about supplement use. Such a policy is judged to be of net benefit to the UK population as it would lead to a redistribution of folic acid intakes, improving the folate intake of low consumers while reducing the intakes of high consumers.

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