Materna是怀孕以后吃的，别吃错了。看link.
Avoid high doses. Some vitamins and minerals are toxic in high doses for women and their developing babies. Examples are iron, chromium, selenium and vitamin A. To avoid high doses, choose a multivitamin that contains no more than 100 percent of the DV for each vitamin and mineral. Before taking anything other than 100% of the DV, check with your health care provider.
Avoid high doses. Some vitamins and minerals are toxic in high doses for women and their developing babies. Examples are iron, chromium, selenium and vitamin A. To avoid high doses, choose a multivitamin that contains no more than 100 percent of the DV for each vitamin and mineral. Before taking anything other than 100% of the DV, check with your health care provider.