Zhangjiajie specialty: kudzuvine root powder

Kudzuvine root contains 12 percent flavonoids compounds, such as puerarin, soybean flavonoid glycoside and peanut agglutinin. It is also rich in protein, amino acid, sugar and mineral substances that are essential to human bodies.

This includes iron, calcium, copper and selenium. As a famous tonic fit for everyone, Kudzuvine root powder is reputed as a "thousand year ginseng".