|
Vitamin
or Mineral |
Recommended Dietary Allowance (RDA) or Adequate Intake (AI)
Nutrients with AIs are marked with an (*) |
Upper Tolerable Limit (UL)
The highest amount you can take without risk |
|
Boron
|
Not determined. |
20 mg/day
|
|
|
|
|
Chloride
|
|
3,600 mg/day
|
|
Choline
(Vitamin B complex) |
|
3,500 mg/day
|
|
Copper
|
900 micrograms/day |
10,000 mcg/day
|
|
10 mg/day
|
|
|
Folic Acid (Folate)
|
400 mcg/day |
1,000 mcg/day This applies only to synthetic folic acid in supplements or fortified foods. There is no upper limit for folic acid from natural sources. |
|
Iodine
|
150 mcg/day |
1,100 mcg/day
|
|
Iron
|
|
45 mg/day
|
|
350 mg/day This applies only to magnesium in supplements or fortified foods. There is no upper limit for magnesium in food and water.
|
|
|
Manganese
|
|
11 mg/day
|
|
Molybdenum
|
45 mcg/day |
2,000 mcg/day
|
|
Nickel
|
Not determined |
1 mg/day
|
|
Phosphorus
|
700 mg/day |
|
|
55 mcg/day |
400 mcg/day
|
|
|
Sodium
|
|
2,300 mg/day
|
|
Vanadium
|
Not determined |
1.8 mg/day
|
|
3,000 mcg/day
|
|
|
Vitamin B3 (Niacin)
|
|
35 mg/day This applies only to niacin in supplements or fortified foods. There is no upper limit for niacin in natural sources. |
|
100 mg/day
|
|
|
2,000 mg/day
|
|
|
Vitamin D (Calciferol)
|
|
100 mcg/day |
|
Vitamin E
(alpha-tocopherol) |
|
1,500 IU/day
(1,000 mg/day)This applies only to vitamin E in supplements or fortified foods. There is no upper limit for vitamin E from natural sources. |
|
Zinc
|
|
40 mg/day
|