Note: “Reasonable Dietary Level” refers to the U.S. Recommended Dietary Allowances (1980) adult dietary levels (ages 23-50) suggested for “practically all healthy persons” (except for pregnant or lactating females); “Pharmacologic Dosage Range” refers to the range of intake suggested by the literature for the treatment of specific illnesses.
Nutrient |
Reasonable Dietary Levelmale / female |
Pharmacological dosage range |
Biotin |
0 – 200 mcg |
300 – 3000 mcg |
Calcium |
800 mg |
1000 – 1500 mg |
Chloride |
1700 – 5100 mg |
500 – 2500 mg |
Choline |
? |
500 – 1000 mg |
Chromium |
50 – 200 mcg |
200 – 300 mcg |
Copper |
2-3 mg |
2 – 4 mg |
Fluoride |
1.5 – 4 mg |
20 – 100 mg |
Folic Acid |
400 mcg |
400 – 2000 mcg |
Inositol |
? |
100 – 1000 mg |
Iodine |
150 mcg. |
100 – 1000 mcg |
Iron |
10 mg/18 mg |
10 – 50 mg |
Magnesium |
350 mg/300 mg |
300 – 800 mg |
Manganese |
2.5 – 5 mg |
2 5 mg |
Molybdenum |
15 – 500 mcg |
100 – 1000 mg |
Niacin |
18 mg/13 mg |
100-6000 mg |
Pantothenic Acid |
4 – 7 mg |
50 – 1000 mg |
Phosphorus |
800 mg |
? |
Potassium |
1875 – 5625 mg |
? |
Pyridoxine |
2.2 mg /2 mg |
10 – 200 mg |
Riboflavin |
1.6 mg/1.2 mg |
10 – 50 mg |
Selenium |
50-200 mcg |
200 – 300 mcg |
Sodium |
1100 – 33– mg |
300 – 3000 mg |
Sulfur |
? |
500 – 1000 mg |
Thiamine |
1.4 mg / 1.0 mg |
10 – 200 mg |
Vitamin A |
5000 IU/4000 IU |
10,000 – 35,000 IU |
Vitamin B12 |
3 mcg |
10 – 1000 mcg |
Vitamin C |
60 mg |
50 – 10,000 mg |
Vitamin D |
200 IU |
400 – 1000 IU |
Vitamin E |
15 IU/12 IU |
100 – 1000 IU |
Vitamin K |
70 – 140 mcg |
30 – 100 mcg |
Zinc |
15 mg |
20 – 100 mg |
|