Guidelines for Nutritional Supplementation

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