thyroid disorders. Bladderwrack products may contain varying amounts of iodine, which makes it an inconsistent source of iodine. Bladderwrack also contains algin, which can act as a laxative to help stool pass through the bowels.
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thyroid cancer. Treatment of thyroid problems should not be attempted without medical supervision.
Like other sea plants, bladderwrack can concentrate toxic heavy metals, such as arsenic, from the water in which it lives.
Do not take bladderwrack if:
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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.