Vitamin A is stored in the body; therefore, when you take more than the body needs, it will build up in the body. This may lead to poisoning and even death. Problems are more likely to occur in:
- Adults taking 7500 RE (25,000 Units) a day for 8 months in a row, or 450,000 RE (1,500,000 Units) all at once; or
- Children taking 5400 RE (18,000 Units) to 15,000 RE (50,000 Units) a day for several months in a row, or 22,500 RE (75,000 Units) to 105,100 RE (350,000 Units) all at once.
- Pregnant women taking more than 1800 RE (6000 Units) a day.
Remember that the total amount of vitamin A you get every day includes what you get from foods that you eat and what you take as a supplement.
High doses and/or prolonged use of vitamin A may cause bleeding from the gums; dry or sore mouth; or drying, cracking, or peeling of the lips.