Problems with Folate and Vit. B12 in UK Elderly
•Deficiencies of both are common in NDNS 65+
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•Supplement use is associated with better folate status but only slightly better vit B12 status
Dangour A et al J. Nutr. 2008 138;1121-1128
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•US NHANES III: those with a serum B12 <148 pmol/l (~35% of UK elderly) increasing serum folate was associated with increased HCys and MMA levels
Selhub J et al Am J Clin Nutr 2009;89(2):702S-706S
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•European EPIC no overall association of prostate cancer risk and the status of these nutrients
However in those with a high vitamin B12 level there was an increased risk of more advanced disease.
Johansson M et al Cancer Epidemiol Biomarkers Prev 2008;17(2):279-85
See also Hultdin J et al Int J Cancer 2004;113:819-24