bladderwrack(redirected from rockweed)
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A seaweed which contains iodine, mannitol and mucilage; it has been used topically as an anti-inflammatory and for rheumatism, and internally for hypothyroidism (given its high iodine content), radiation exposure and heavy-metal intoxication.
Kelp should not be used in patients receiving thyroid medication, with thyroid disease or with hypertension.
bladderwrack, bladder wrack (blad'er-rak?)
A yellow-brown seaweed, Fucus vesiculosus, which contains significant quantities of iodine. It is used as an alternative medicine for a variety of proposed cures, e.g., of hypothyroidism, but its effectiveness has not been documented in controlled trials.Synonym: Fucus vesiculosus