Review Dang Shen Forms and Sizes of Bulk Herbs Below 

Common Name:  Codonopsis Root, Radix Codonopsitis Pilosulae, Poor man's ginseng, Bonnet Flower Root
Botanical Name:  Codonopsis pilosula 
Chinese / Pin Yin Name:  Dang Shen
Dang Shen Dosage:  Consult your healthcare provider for your correct dose.
Dang ShenPrecautions:  Do not use if pregnant or nursing.   Side effects have been reported such as: dizziness, discomfort in the chest area, feeling nervous and uneasy, and dry mouth.

Dang Shen Benefits & Information

Dang Shen is a traditional Chinese medicinal herbs to tonify the middle jiao, invigorate lung and spleen qi, nourish the blood and generate body fluids.  Dang Shen promotes a healthy immune system, benefits the nervous system, promotes dialation of peripheral blood vessels, benefits the digestive system and supports healthy blood pressure.  It has analgesic effects.
Dang Shen Properties: Sweet, Neutral
Dang Shen Channels / Meridians: Lung, Spleen
Dang Shen Naturally Occurring Components:  α-Spinasterol, Stigmasta-7, 22-dien-3-one, Codopiloic acid,  Octadecadienoic acid, polysaccharides, inulin, saponins, scutellarein, resins, mucus, glycosides

Herbs That Combine with Codonopsis Root

Astragalus     Patchouli     Notoginseng     Schisandra     Bai Zhu

References
https://tcmwiki.com/wiki/dang-shen
https://herbpathy.com/Uses-and-Benefits-of-Dang-Shen-Cid2477