Sweet Home Lo Han Kuo Winter Melon Drinka 4 in 1 is a unique blend of rock sugar, winter melon, Lo Han Kuo (Momordica grosvenori) and Longan (Dimocarpus longan), this refreshing concoction makes a delicious beverage that chills you out in no time. Sweet Home 4-in-1 Longan Drink can be used as a herbal remedy to help soothe your body. Best served hot or over ice on a warm sunny day.