Overview

Carrageenan is made from parts of various red algae or seaweeds. It is commonly used to thicken foods. It is also sometimes used as medicine.

Carrageenan is used for coughs, colds, and other conditions, but there is no good scientific evidence to support these uses.

How does it work ?

Carrageenan contains chemicals that may decrease stomach and intestinal secretions. Large amounts of carrageenan seem to pull water into the intestine, and this may explain why it is tried as a laxative. Carrageenan also might decrease pain and swelling (inflammation).

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