Betacarotene caution!
Deficiency disease:
Xerophthalmia or night blindness.
Enemies:
Polyunsaturated fatty acids with carotene
work against vitamin A unless there are
antioxidants present.
Toxicity:
Betacarotene is non-toxic even at high
doses
(nb. do not exceed 100, 000 IU of
preformed vitamin A per day)
.