Carrageenan (Chondrus crispus) can be found in various parts of the world. Some of these places include the Baltic coast of Iceland, parts of North America, Japanese coastal areas, south of Spain, and northern Russia. Carrageenan is a member of the Gigartinaceae family. The thallus can be used for medicinal purposes. Carrageenan is also known as Irish moss. It is a type of red algae.
Carrageenan contains proteins, mineral salts, and carageeine. Carrageenan has been used for intestinal complaints and weight loss.
It can also be used as a thickening agent and stabilizer. In these roles, carrageenan appears in toothpaste, pharmaceuticals, and food.
At the time, there have been no reports side effects.