Miyeok is the name of the seaweed used in this traditional Korean soup. It is also known as "sea mustard" in the U.S., or by it's anglicized Japanese name, "wakame." It is a simple soup Koreans enjoy on birthdays because its one of hte first foods given to nourish new mothers. It's quick and easy to make anytime to benefit from iodine, folate, trace minerals, and antioxidants.