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Astragalus Dosage Guide

Evidence:Emerging
·

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer

General Dosage

500-1500mg standardized root extract daily

Maximum dose: No established upper limit; traditional use includes up to 30g dried root daily in decoctions

Dosage Recommendations

General recommendation: 500-1500mg standardized root extract daily

Timing: Morning or divided into 2-3 doses; traditionally taken as a tonic between meals

Dosage by Condition

Daily immune tonic
500-1000mg extract dailyEmerging
Enhanced immune support
1000-1500mg extract dailyEmerging
Traditional TCM decoction
9-30g dried root simmered in waterEmerging

Upper limit: No established upper limit; traditional use includes up to 30g dried root daily in decoctions

Timing & Absorption

Morning or divided into 2-3 doses; traditionally taken as a tonic between meals

Can be taken with or without food.

References

  1. ReviewLiu P, Zhao H, Luo Y (2017). Anti-aging implications of Astragalus membranaceus (Huangqi): a well-known Chinese tonic. Aging and Disease. DOI PubMed
  2. ReviewBlock KI, Mead MN (2003). Immune system effects of echinacea, ginseng, and astragalus: a review. Integrative Cancer Therapies. DOI PubMed
  3. Meta-analysisLiang H, Chen Z, Zhu M, Zhong J, et al. (2025). Efficacy and potential pharmacological mechanism of Astragalus-Salvia miltiorrhiza combination in diabetic nephropathy: integrating meta-analysis, network pharmacology, molecular docking, and experimental validation.. Renal failure. DOI PubMed
  4. Meta-analysisSheng X, Yang L, Huang B, Lin G, et al. (2025). Efficacy of Astragalus Membranaceus (Huang Qi) for Cancer-Related Fatigue: A Systematic Review and Meta-Analysis of Randomized Controlled Studies.. Integrative cancer therapies. DOI PubMed
  5. Meta-analysisLi Q, Li J, Wang Y, Wu F, et al. (2025). Efficacy and safety of astragalus polysaccharides in patients with malignant tumors: A systematic review and meta-analysis.. Naunyn-Schmiedeberg's archives of pharmacology. DOI PubMed
  6. Meta-analysisLiu M, Di YM, May B, Zhang AL, et al. (2024). Renal protective effects and mechanisms of Astragalus membranaceus for diabetic kidney disease in animal models: An updated systematic review and meta-analysis.. Phytomedicine : international journal of phytotherapy and phytopharmacology. DOI PubMed
  7. Lin YQ, Yu F, Chen HJ, Deng YR, et al. (2024). Efficacy of astragalus combined with renin-angiotensin-aldosterone system blockers in the treatment of stage III diabetic nephropathy: a systematic review and meta-analysis.. Renal failure. DOI PubMed
Show 3 more references
  1. Dan L, Hao Y, Song H, Wang T, et al. (2024). Efficacy and potential mechanisms of the main active ingredients of astragalus mongholicus in animal models of liver fibrosis: A systematic review and meta-analysis.. Journal of ethnopharmacology. DOI PubMed
  2. Hong KF, Liu PY, Zhang W, Gui DK, et al. (2024). The Efficacy and Safety of Astragalus as an Adjuvant Treatment for Type 2 Diabetes Mellitus: A Systematic Review and Meta-Analysis.. Journal of integrative and complementary medicine. DOI PubMed
  3. Wang C, Li S, Meng J, Xia M, et al. (2023). Meta-analysis of Huangqi (Astragalus membranaceus) and Chinese Yam (Rhizoma Dioscoreae) for Diabetic Nephropathy.. Alternative therapies in health and medicine. PubMed