toxicity Flashcards
the most toxic vitamins are
D & A
are carotenoids teratogenic
no
which type of A leads to toxicity
preformed - retinol
early s/s A toxicity
headaches, nausea, vomiting
enlarged liver, hyperlipidaemia
joint pain
skin scaling, hair loss, excessive dryness
longterm A toxicity
liver damage bone damage vomiting haemorrhage coma death
more than 3300 mpg/day while pregnant =
birth defects
Tolerable upper intake A
3300 mcg/day adults (11,000 iu)
Thiamin toxicity
Non-toxic
is riboflavin toxic
no
is niacin toxic
no
is pantothenic acid toxic
no
^10g/day pantothenic acid may cause
diarrhoea,
histamine
joint sensitivity
is pyridoxine toxic
yes - 500mg/day = severe neurological effects
at what levels could pyridoxine suppress lactation
^150mg/day
what could longterm B6 & B12 cause
rosacea