National Toxicology Program

National Toxicology Program

Nomination Summary for Bladderwrack (N20113)


Specific 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

Status: Selected

Agents and Status

The following information relates to the specific agent and may include history from earlier or later nominations for this same agent.

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CASRN: 68917-51-1

Agent Name: Bladderwrack

  • No studies are available.

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CASRN: 84696-13-9

Agent Name: Bladderwrack extract

  • No studies are available.
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.