Ming Dang Shen (Radix Codonopsis, Codonopsis pilosula) is a traditional Chinese medicinal herb commonly used in Traditional Chinese Medicine (TCM) as a general tonic, often described as having effects similar to ginseng but milder. In TCM, Ming Dang Shen is believed to "tonify the middle burner" and "augment the qi," particularly of the spleen and lungs. Its use to support the Kidneys is less direct but may be included in some formulas aimed at strengthening overall vitality, which in TCM theory can be related to Kidney function, especially when addressing fatigue or weakness thought to be linked to Kidney Qi deficiency.

However, modern scientific studies primarily focus on Codonopsis's adaptogenic, immunomodulatory, and anti-fatigue effects, with most research centered on its impact on the immune and digestive systems rather than direct kidney support. There is little robust clinical evidence demonstrating that Ming Dang Shen has specific, direct benefits for the anatomical or physiological kidneys as understood in Western medicine. Its use for "Kidney" support is therefore primarily justified by traditional theories and historical formulations rather than by contemporary biomedical evidence. The quality and quantity of scientific studies directly linking Codonopsis pilosula to renal health are limited, and more research is needed to clarify any potential nephroprotective effects.