Long Xu Cai is also known as agar agar. The bitter, salty and cold herb has been used in TCM to treat chronic constipation, tuberculosis of lymph nodes, tumor of the thyroids, edema, beriberi, swelling of testicles.abdominal mass, etc., as it promote the function of lung, spleen and kidney channels. Ingredients 1. Fat 2. Protein 3. Ash …