Overview
TCM tonic with immune-stimulating and CKD-supportive evidence.
- Whole dried plant material (root, leaf, flower, or aerial parts depending on the species)
- Standardized hydroethanolic or aqueous extract (capsule, tincture, or tea)
- Powdered traditional preparation used in Ayurvedic, TCM, or Western herbal practice
- Standardized extract capsule
- Liquid tincture (alcohol or glycerin)
- Powdered whole herb
- Traditional decoction or tea
Mechanism of action
Astragalosides upregulate T-cell function; nephroprotective in animal models.
- · Astragalosides upregulate T-cell function
- · nephroprotective in animal models
Effects on the body
Organ system effects
Evidence-based benefits
Reduces proteinuria in CKD (Chinese trials)
Limited evidencePotential side effects
- · Astragalus is generally well-tolerated at evidence-based doses
- · Mild GI discomfort (nausea, loose stools, or bloating) possible at higher intakes
- · Headache or transient fatigue reported by a small fraction of users
- · Allergic or hypersensitivity reaction (rash, itching, swelling)
- · Sleep disturbance if taken late in the day
- · Discontinue and seek medical advice if symptoms are severe, persistent, or include difficulty breathing
Drug interactions
Safety & non-supplemental interactions
Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.
- ·Pregnant or breastfeeding (insufficient safety data)
- ·Children under 18 (unless directed by a clinician)
Supplement interactions
- A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
- Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.
Third-party testedIndependently verified Astragalus — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Astragalus third party tested NSF
CapsulesPre-measured Astragalus capsules — easiest for travel and consistent daily dosing without scoops or scales.Astragalus capsules
PowderBulk unflavored Astragalus powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Astragalus powder unflavored
Best sellersMost-purchased Astragalus products on Amazon — a quick way to see what's reviewed widely before you commit.Astragalus best sellerScientific evidence8Show studiesHide studies
Astragalus and immune function
Block KI, Mead MN
Review of astragalus in immune modulation.
Improved immune markers and reduced chemotherapy side effects.
PubMed: Astragalus — Reduces proteinuria in CKD
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PubMed: Astragalus — randomized controlled trial
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PubMed: Astragalus — meta-analysis
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PubMed: Astragalus — pharmacokinetics
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PubMed: Astragalus — safety adverse events
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PubMed: Astragalus — dose response
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Google Scholar: Astragalus — clinical evidence
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Cross-database citation index for Astragalus as it relates to "clinical evidence".
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