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Kelp can be one of several brown-colored seaweed species called
Laminar. Kelp is a vegetable found only in the sea that possesses
high concentrations of useful minerals including iodine, potassium,
magnesium, calcium, and iron. Laminaria as a source of iodine kelp
may be useful as a supplement for making thyroid hormones, which are
required for maintaining normal metabolism in all cells of the
body.
Dosage and Administration
With
the introduction of iodized salt, other sources of iodine, such as
kelp, have become much less popular. A report from Great Britain
indicated that the average kelp-based supplement contained 1,000 mcg
of iodine (the adult RDA in the United States is 150 mcg per day).
It has been suggested that intakes above 2,000 mcg per day should be
regarded as excessive or potentially
harmful.
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