Astragalus, primarily derived from the root of Astragalus membranaceus, has been used in traditional Chinese medicine for centuries and continues to attract modern scientific interest. Research suggests that its bioactive compounds, including polysaccharides, saponins, and flavonoids, may support immune function by enhancing the activity of certain white blood cells. Studies indicate potential benefits for blood sugar regulation, kidney health, and reducing markers of inflammation, though much of this evidence comes from animal or preliminary human trials. There is also growing interest in astragaloside IV and cycloastragenol, compounds within the root studied for their possible effects on cellular aging and telomere maintenance. While the traditional reputation of astragalus is extensive, larger and more rigorous clinical trials are still needed to fully understand its range of effects.
Compare this supplementResearch suggests that astragalus polysaccharides (APS) may support immune function across a range of contexts, inclu...
View studies →Research suggests that Astragalus membranaceus and its primary bioactive compounds — polysaccharides, saponins, flavo...
View studies →Research suggests that Astragalus and its key bioactive components — polysaccharides, saponins, and flavonoids — demo...
View studies →Research suggests that Astragalus and its primary active compounds — particularly astragalus polysaccharide (APS) and...
View studies →Research suggests that Astragalus and its derived compounds may offer protective effects for kidney health, with stud...
View studies →These are commonly referenced dosage ranges for this supplement. They are not medical recommendations. Always consult a healthcare provider before supplementing.
| Form | Dose range | Frequency | Studied for | Source |
|---|---|---|---|---|
| Extract | 40–160 mg | Daily | anti-aging, telomere support (TA-65 cycloastragenol-based) | Based on RCTs and observational studies on telomerase activation |
| Extract | 500–1,000 mg | Twice daily | blood sugar regulation and anti-inflammatory effects | Common in RCTs examining glycemic control and inflammatory markers |
| Extract | 250–500 mg | Daily | immune function and general health | Common in clinical trials using standardized Astragalus membranaceus extract |
| Extract | 7,500–15,000 mg | Daily | kidney health and renal function support | Used in clinical trials for chronic kidney disease, often as root extract equivalent |
| Powder | 9–30 g | Daily | traditional use for immune support and vitality | Traditional Chinese Medicine dried root dosage, reflected in some clinical studies |