Herbal Supplement Formulated by Michael Tierra L.Ac, O.M.D. Cordyceps sinensis is one of the most valued tonics of Chinese herbalism. In China, it is recognized as a premier tonifier for athletes and anyone wanting to support energy and endurance. Planetary Herbals Cordyceps Power CS-4 combines cordyceps (standardized to 0.1% adenosine) with other tonifiers from around the world.