Mountain Rose Herbs

Certified Organic

Irish Moss

  • Chondrus crispus
  • Origin: Canada
Irish Moss

Common Name

Standardized: Irish moss
Other: carrageen moss

Botanical Name

Chondrus crispus Stackh.
Plant Family: Gigartinaceae



Ireland moss is a tough and stringy red, yellow, or purple seaweed growing up to 6 inches (250 mm) high on rocks in tidal pools along the northern Atlantic. It is harvested to make carrageenan, a thickening agent for jellies, puddings, and soups, and is a traditional herbal remedy in Ireland.


Mucliages, carrageenan, bromine, iodine.

Parts Used

The entire seaweed, dried.

Typical Preparations

Traditionally used as a tea or tincture, sometimes encapsulated. May be taken as a capsule for convenience.


Specific: For periodic use only. Not to be taken for an extended period of time. Do not use while pregnant or nursing, or by those suffering hyperthyroidism. May contain shell fragments.
General: We recommend that you consult with a qualified healthcare practitioner before using herbal products, particularly if you are pregnant, nursing, or on any medications.

For educational purposes only This information has not been evaluated by the Food and Drug Administration.
This information is not intended to diagnose, treat, cure, or prevent any disease.