Irish Moss Has been enjoyed the world over for many years. This Natural sea weed has been touted as a super-food, an Aphrodisiac and a home remedy for many ailments including sore throats, chest congestions and skin disease. Irish moss is packed with Vitamins, minerals and fiber thus its status as a superfood. moss is a natural source of carrageenan, which makes up to about 55% of its volume and is what is responsible for its properties as a gelling medium.