If you are pregnant, or considering becoming pregnant, do not take vitamin A supplements without consulting your doctor or pharmacist. The recommended daily amount of vitamin A from all sources is 700 micrograms retinol equivalents (RE) for women and 900 micrograms RE for men. When taken in excess of 3000 micrograms RE, vitamin A can cause birth defects. If symptoms persist, talk to your healthcare professional. Vitamin and mineral supplements should not replace a balanced diet. The recommended duration of use of this medicine must be limited to three months.