Huang Qi, the dried root of Astragalus membranaceus, has been a cornerstone of Traditional Chinese Medicine for centuries, valued as a foundational qi-tonifying herb often used to support vitality and resilience. Research suggests that its bioactive compounds, particularly astragalosides and polysaccharides, may help modulate immune function by influencing both innate and adaptive immune responses. Studies indicate that astragaloside IV has drawn particular scientific interest for its potential effects on telomerase activity, which relates to cellular aging, as well as for its possible protective role in kidney health by supporting antioxidant pathways and reducing oxidative stress. While the traditional and emerging research is promising, much of the clinical evidence comes from preliminary or small-scale studies, and further rigorous trials are needed to fully understand its therapeutic potential.
Compare this supplementResearch suggests that Astragalus and its derived compounds — including polysaccharides, flavonoids, and nanoparticle...
View studies →Research suggests a limited and indirect evidence base for astragalus (Huang Qi) specifically targeting energy and fa...
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 | 7.5–15 mg | Daily | anti-aging via TA-65 telomerase activation (cycloastragenol-based extract) | Based on RCTs and observational studies on telomere length and aging biomarkers |
| Extract | 250–500 mg | Twice daily | immune function and general health support | Common in clinical trials using standardized Astragalus membranaceus root extract |
| Extract | 500–1,000 mg | Three times daily | kidney health and chronic kidney disease support | Common in clinical trials for diabetic nephropathy and CKD (PubMed indexed RCTs) |
| Liquid | 20–60 mL | Daily | energy, fatigue reduction, and immune modulation | Based on clinical studies using Astragalus injection or oral liquid preparations |
| Powder | 9–30 g | Daily | traditional TCM use for energy, fatigue, and immune support | Traditional use per Chinese Pharmacopoeia dried root decoction guidelines |