Recommended Daily Allowance vs. Optimal Daily Allowance
RDA ODA
Vitamin A
Vitamin D
Vitamin E
Vitamin K
Vitamin B-1
Vitamin B-2
Vitamin B-3
Vitamin B-5
Vitamin B-6
Folic Acid
Vitamin C
Calcium
Chloride
Chromium
Copper
Fluoride
Iodine
Iron
Magnesium
Manganese
Molybdenum
Phosphorus
Potassium
Selenium
Sodium
Zinc
1,000 mcg.
200 I.U.
15 I.U.
80 mcg.
1.5 mg.
1.7 mg..
19 mg.
7 mg.
2 mg.
200 mcg.
60 mg.
800 mg.
750 mg.
50-200 mcg.
1.5-3.0 mg.
1.5-4.0 mg.
150 mcg.
10 mg.
350 mg.
2.5-5.0 mg.
75-250 mcg.
800 mg.
2,000 mg.
70 mcg.
500 mg.
15 mg.
7,000-10,000 mg. (I. U.)*
100 I. U.
400 I. U.
60mcg.-80mcg.
50 mg.-100mg.
50 mg.
50 mg. (200 mg. as Niacinamide)
200 mg.-400mg.
50mg.-200 mg.
400mcg.-800 mcg.
1,000mg.-7,0000 mg.
500mg.-1,200 mg.
Not usually recommended
200-400 mcg.
1 mg.
Not usually recommended
Not usually recommended
Not usually recommended
500-1,000 mg.
10 mg.-20mg.
Same (unless deficient)
Not usually recommended
100 mg.
200 mcg.
Not usually recommended
25 mg.

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