Iodized salt image Your body needs iodine, a mineral, to work properly. The thyroid gland, for example, uses iodine to make the thyroid hormone thyroxin. Most iodine is in the form of iodide. These terms are often used interchangeably.


Iodide helps to:
  • Regulate metabolic rate
  • Regulate growth and development
  • Promotes bone and protein synthesis

Recommended Intake

Age group Recommended Dietary Allowance [RDA] or Adaquate Intake
Upper Limits [UL]
0-6 months 110 Not determinable
7-12 months 130 Not determinable
1-3 years 90 200
4-8 years 90 300
9-13 years 120 600
14-18 years 150 900
19 years and older 150 1,100
Pregnancy (18 or younger) 220 900
Pregnancy (19-50 years) 220 1,100
Lactation (18 or younger) 290 900
Lactation (19-50 years) 290 1,100

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