What are the benefits of drinking yam and astragalus together?

Drinking Chinese yam and astragalus together has the effect of strengthening the spleen, benefiting qi and generating fluid (promoting fluid production by tonifying qi).
Chinese yam is a qi tonic in the list of deficiency tonics, which has the effects of tonifying the spleen, nourishing the stomach, generating fluid and moistening the lungs, tonifying the kidney and astringing the sperm, and can be used to treat conditions such as poor appetite, diarrhea caused by a weak spleen, thirst caused by a lack of fluid, and spermatorrhea and diarrhea due to a deficiency of the kidneys.
Astragalus is also a qi tonic among the deficiency tonics, with the effects of tonifying qi and elevating yang, generating fluids and nourishing blood, and stopping sweating by consolidating the muscle surface. It can be used to treat conditions such as low food intake, loose stools (thin and unformed feces) caused by spleen qi deficiency, sweating (frequent natural sweating due to weakness of the muscle surface), and internal heat and thirst (internal heat accompanied by symptoms such as excessive eating, drinking, and urination).
Drinking yam and astragalus together has the effect of strengthening the spleen, benefiting the qi and generating fluid, and can be used to treat weakness of the spirit (mental exhaustion, physical weakness), spontaneous sweating (involuntary sweating during the daytime, aggravated by the slightest movement of sweating), poor appetite and dullness (lack of appetite, reduced food intake), and loose stools caused by weakness of the spleen qi, as well as treating thirst due to injury of the fluids.
The adverse reactions of yam and astragalus have not been clarified, it is forbidden for those who are allergic to them, and should be used under the guidance of a physician.
Patients with discomfort are advised to consult a doctor in time to standardize treatment.