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What other names is Castoreum known by?

Canadian Beaver, Castérium, Castor canadensis, Castor Canadien, Castor Européen, Castor Sibérien, Castor fiber, Castóreo, Castoréum, European Beaver, Rognon de Castor, Siberian Beaver.

What is Castoreum?

Castoreum is a substance collected from the glands of Canadian, European, and Siberian beavers.

People take castoreum for anxiety, restless sleep, and as a calming agent.

Women take it to start their menstrual periods or treat painful periods.

In foods and beverages, castoreum extract is used as a flavoring agent.

In manufacturing, castoreum tincture is used as a fragrance or fixative in cosmetics and soaps.

Insufficient Evidence to Rate Effectiveness for...

  • Menstrual problems.
  • Anxiety.
  • Sleeping disorders.
  • Other conditions.
More evidence is needed to rate the effectiveness of castoreum for these uses.

Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).

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