| If you are: | You may have to increased needs for: |
| Under emotional stress | B vitamins, C, calcium |
| Physically active | B vitamins, C, E, iron |
| On a reducing diet | All nutients, depending on the diet |
| Exposed to pollution | Vitamins A, C, E, calcium, iron, zinc |
| Taking diuretics | Folate, magnesium, potassium, zinc, phosphorus |
| Taking oral contraceptives | Thiamine, riboflavin, B6, folate, B12, C, zinc |
| Pregnant | B vitamins, calcium, iron |
| Breast feeding | Calcium |
| A coffee drinker | Thiamine, C, all minerals |
| An alcohol drinker | Thiamine, B12, C, copper, calcium, zinc, potassium, magnesium |
| A vegetarian | Riboflavin, vitamin B12, folate, iron |
| A smoker | Vitamins B12, B6, C, E, calcium |
| Recovering from illness or injury | Vitamin A, thiamine, pantothenate, folate, C, E, iron, zinc, calcium |
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