“Vitamin A is required for vision and for differentiation and
maintenance of epithelial tissue” – Gelman et. al. (2007)
“Vitamin A may enhance the function of the immune system”
– Gelman et. al. (2007)
“Vitamin A deficiency is associated with night blindness, xerophthalmia
(dryness of the conjunctiva), keratomalacia (softening of the cornea)
and hyperkeratosis (thickening) of the skin. “ – Gibbon
et. al. (2005)
“Vitamin A is part of the organism’s defense barrier against
free radicals. Its antioxidant mechanism of action includes scavenging
of single oxygen and thiol free radicals” – Marquez et.
al. (2002)
Gelman CR, Rumack BH and Hutchison TA (eds): ALTMEDEX
POINTS™ System. MICROMEDEX ® Healthcare Series, Inc.,
Englewood, Colorado (Vol 131. Edition expires 03/2007)
Monograph.
Gibbon CJ and eds. South African Medicines Formulary.
7th Edition. Division of Pharmacology, Department of Medicine, University
of Cape Town 2005.
Marquez M et. al. Basic aspects and measurements of
the antioxidant vitamins A and E. Invest. Clin. 2002;
43(3):191-204.