During pregnancy, always consult with a qualified healthcare practitioner before taking herbal medicines and nutritional supplements. Vitamin supplements should not replace a balanced diet. This product contains selenium which is toxic in high doses. A daily dose of 150mcg for adults of selenium from dietary supplements should not be exceeded. The RDA of vitamin A from all sources is 2,333IU (700mcg RE) for women and 3,000IU (900mcg RE) for men. WARNING: If you are pregnant Ð or considering becoming pregnant Ð do not take supplements containing vitamin A without consulting a healthcare professional. When taken in excess of 10,000IU (3000mcg RE) per day vitamin A can cause birth defects. Always read the label. Use only as directed. If symptoms persist consult your healthcare practitioner.