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Vitamins etc.
Vitamin A
Vitamin B1
Vitamin B2
Vitamin B3
Vitamin B5
Vitamin B6
Vitamin B12
Biotin
Folate
Vitamin C
Vitamin D
Vitamin E
Vitamin K

Calcium
Chromium
Copper
Iodine
Iron
Magnesium
Manganese
Molybdenum
Phosphorus
Potassium
Selenium
Sodium
Zinc

Glossary

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Iodine

 

 

Forms:  Potassium iodide, iodized salt

 

 

Sources:  Kelp, iodized salt

 

RDA:  290 mcg for lactating mothers

 

 

Description:  Iodine is an essential component in the thyroid hormones triiodothyronine (T3), and thyroxin (T4).  These thyroid hormones in turn regulate growth and brain development, metabolism, and reproductive function.  An iodine deficiency can cause an underdeveloped brain along with mental retardation, and is a leading cause of avoidable brain damage.  In addition, a deficiency can cause goiter (thyroid gland enlargement) along with hypothyroidism which can sometimes be irreversible.  Some cruciferous vegetables such as broccoli, cauliflower, and cabbage can inhibit iodine uptake by the thyroid gland.  As a result, these vegetables can potentially increase the requirements for iodine.  The Tolerable Upper Level of intake is set at 1,100 mcg for adults and doses above that are not recommended.

 

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