General Dosage
500-2000mg standardized root extract daily
Maximum dose: 2000mg extract daily (traditional decoctions use higher amounts of raw root)
Astragalus Dosage Guide
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Dosage Recommendations
General recommendation: 500-2000mg standardized root extract daily
Timing: Morning or split into two doses; can be taken with or without food • Take with food for best absorption.
Dosage by Condition
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Immune support | 500-1500mg extract daily | Moderate |
| Cardiovascular health | 500-1000mg daily | Emerging |
| Anti-aging/telomeres | 5-25mg cycloastragenol daily | Preliminary |
| Kidney support | 1000-2000mg extract daily | Emerging |
Upper limit: 2000mg extract daily (traditional decoctions use higher amounts of raw root)
Timing & Absorption
Morning or split into two doses; can be taken with or without food
Best taken with food for optimal absorption.
References
- McCulloch M, See C, Shu XJ, et al. (2006). Astragalus-based Chinese herbs and platinum-based chemotherapy for advanced non-small-cell lung cancer: meta-analysis. Journal of Clinical Oncology. DOI PubMed
- Harley CB, Liu W, Blasco M, et al. (2011). A natural product telomerase activator as part of a health maintenance program. Rejuvenation Research. DOI PubMed