Rhizoma Polygonati, also known as Huang Jing, has been a staple in Traditional Chinese Medicine for centuries.Packed with essential vitamins, minerals, and amino acids that are crucial for overall health. Royal Seafood USA selected from high quality Rhizoma Polygonati.Place 2-3 pieces of Rhizoma Polygonati in a cup, pour in hot water at 90°C (194°F), and let it steep for about 3 minutes before drinking.