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Nomination Summary for Bladderwrack (N20113)

Nominated Substances: Bladderwrack, Bladderwrack extract

Nomination Date: 03/07/2001

Nominator: NCI

Rationale: Significant human exposure through use as a dietary supplement; safety concern due to potential thyroid stimulation; limited available toxicity information

NTP Principles: 1, 2, 5

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