National Toxicology Program

National Toxicology Program

Nomination Summary for Chitosan (N20001)


Specific Substances: Chitosan

Nomination Date: 10/25/1999

Nominator: NCI

Rationale: Chitosan is a popular dietary supplement used for weight loss. Although several subacute studies in animals show that chitosan has hypercholesterolemic properties and may influence weight gain, it may also cause vitamin and mineral deficiencies.

NTP Principles: 2

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: 9012-76-4

Agent Name: Chitosan

NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.