Use as a poverty food during the Irish Famine, Irish Moss has a long history and storied history. Traditionally used as a cold remedy but has been thought to have pro thyroid benefits. Irish Moss contains the vital thyroid hormone precursor DI-Iodothyronine (DIT), and the thyroid hormones Thyroxin (T4) and Tri-iodothyronine (T3). it is high in fiber which may make it suited as a supplemental laxative and is thought to quell appetite due to its high absorption ability. Also known as carrageen which means "little rock".