1. Pregnant women should not supplement > 800 mcg of
   preformed vitamin A daily except on advice of
   doctor/ante-natal clinic.
   
2. If you are on the pill your for vitamin A is decreased.
   
3. Vitamin A can be adversely affected by light, oxygen
   and heat.
   
4. Betacarotene can cause skin to yellow in very high
   doses, but this disappears on removal of betacarotene
   from diet.
   
5. A deficiency of vitamin A can lead to loss of vitamin C.
   
6. A broad spectrum of antibiotics should not be taken
   with high doses of vitamin A.

---

---