•Adult intakes from food average 50 - 70
ug/day
•
•Food sources: grains, meat, offal, Brazil and
cashew nuts; content
of Brazil nuts can vary widely
French
Ref
•
•Low intake/status associated with increased
risk of some cancers
and vascular disease
•
•Deficiency can occur in animals –
miscarriage; sheep are
often supplemented
•
•Plasma selenium was measured as part of
NDNS:
deficiency
uncertain but may occur in frail, anaemic elderly and lower levels in some young
people
Bates CJ et al J Trace
Elem Med Biol. 2002;16:1-8
•
•Selenium preparations contain 50 to 200 ug
per day