Although the names are similar, Astragalus and Codonopsis usually refer to different medicinal herbs. The specific differences are as follows:

1. Plant Origin

Astragalus mainly comes from the dried root of the plant Codonopsis in the family Campanulaceae, while Codonopsis refers to the dried root and rhizome of the plant Codonopsis in the family Campanulaceae. Although both belong to the same family, there are differences in specific species.

2. Medicinal Parts

Astragalus is mainly used for its root, while Codonopsis includes not only the root but also the rhizome. This results in differences in the morphology and composition of the herbs.

3. Differences in Effects

Both Astragalus and Codonopsis have the effects of invigorating the Qi and strengthening the spleen, but Astragalus is more prominent in invigorating the Qi, while Codonopsis shows more obvious effects in strengthening the spleen and nourishing the stomach.

In daily health care and treatment, appropriate herbs should be selected according to specific symptoms and physical constitution. If there are any doubts or symptoms persist, it is necessary to seek medical attention promptly and follow the guidance of a professional physician for medication.