Women who might become pregnant or are already pregnant. Before becoming pregnant, women should eat a diet that is rich in folic acid. This means eating generous amounts of spinach, broccoli, oranges, and lentils, and also taking 400 micrograms of folic acid daily. This vitamin, when taken at the time of conception, helps to prevent neurologic problems in the fetus, and can reduce certain types of birth defects. Active people who are at risk for heart disease and cancer.
Some people simply like to take a multiple vitamin pill for health insurance.
This is practical as long as the pill just supplements healthy eating. People who take handfuls of pills in hopes of finding a cure-all are likely to feel better if they improve their diet instead. No amount of pills can compensate for a deficient diet. Choosing Supplements Prompted by persuasive advertising, many active people have developed a big appetite for vitamin pills. It is highly unlikely that you need more.