RDI

RDI is Recommended Daily Intake. On January 1, 1997, the U.S. Food and Drug Administration (FDA) began phasing in new labeling requirements – which are now official. One of the changes that has caused some confusion is the switch from Recommended Daily Allowance (RDA) to Recommended Daily Intake (RDI). Also, Vitamin and Mineral listings on the labels are now followed by Percentage of Daily Value (%DV).

The following is a list of vitamin and minerals with their RDI’s:

Vitamin A – 5,000 IU*

Biotin – 300 mcg

Vitamin C – 60 mg

Pantothenic Acid – 10 mg

Calcium – 1,000 mg

Phosphorus – 1,000 mg

Iron – 18 mg

Iodine – 150 mcg

Vitamin D – 400 IU

Magnesium – 400 mg

Vitamin E – 30 IU

Zinc – 15 mg

Vitamin K – 80 mcg

Selenium – 70 mcg

Thiamin – 1.5 mg

Riboflavin – 1.7 mg

Niacin – 20 mg

Vitamin B6 – 2.0 mg

Folate (Folic Acid) – 400 mcg

Vitamin B12 – 6 mcg

Chromium – 120 mcg

Manganese – 2.0 mg

Copper – 2.0 mg

Molybdenum – 75 mcg

Chloride – 3,400 mg

*Vitamin A is also measured in Retinol Equivalents (RE):
1 RE = 3.33 IU of retinol (active vitamin A) = 10 IU of beta-carotene.