Spec:Tanshinone IIA 0.3%-95%Radix Salviae Miltiorrhizae
Total tanshinones:10%-98%
Cryptotanshinone 10%-90%
Danshensu Salvianic acid A 5%-90%

The medical use of danshen is concentrated in Asia, where Danshen Root extract grows abundantly in the wild. Danshen Root extract is also grown on farms in China and Japan. Its distinctive, bright red roots are dug up in the fall or early winter, and then dried in the sun for use in medicine.