The unique and healthful Guai Ling Go, also known as turtle jelly, is an intriguing part of Hong Kong's culinary culture. Contrary to what the name suggests, this jelly contains no turtle meat but instead uses turtle plastrons. Dating back to the Qing Dynasty, this jelly continues to captivate locals with its health benefits. Kung Wo Tong, a clinic-herbal tea store established in 1904 by descendants of imperial physician Yian Qi Chang, brought this recipe to Hong Kong.

Once Kung Wo Tong introduced this secret family recipe to the locals, skin issues such as pimples became easier to manage. Turtles, believed to possess natural detoxifying qualities due to their cold-blooded nature and swamp habitats, inspire the jelly's composition. The result is a detoxifying and soothing remedy, beneficial for inflammation.

Despite expanding with multiple branches over the years, Kung Wo Tong takes pride in maintaining traditional preparation methods. Unlike many herbal tea stores that have abandoned using copper vessels to conserve space, this store continues to use them to keep the products warm.

Notable is the dedication they put into their production process, preparing the turtle jelly fresh daily at 5 am, involving long hours of boiling and simmering ingredients.

Apart from turtle jelly, Kung Wo Tong offers an assortment of herbal drinks with a gentle taste and beneficial ingredients. For instance, pear tea is an excellent choice for soothing a dry throat. Do give these drinks a try.