•EVM set Safe Upper Level set at 1gm per day
(2003)
•
•Increased Plasma Ethinyloestradiol in OC pill users
Effect of
1000 mg per day retarding oestrogen catabolism
Back DJ et
al BMJ 1981;282:1516
•
•Possible increased risk of Breast Cancer in WHI Study
Supplemental, not dietary
vitamin C >711 mg/day, RR1.16 [95% CI: 1.04,1.3]
Cui Y et al
AJCN 2008;87:1009-1018
•
•Multivitamin Use and Breast Cancer in Swedish
Women
35,329 mammography
negative women followed up for mean
9.5 yr
Multivitamin users RR
1.19 [95% CI: 1.04, 1.37]
Larsson SC et al AJCN
2010;91:1268-72
•