Astragalus 550 mg

Astragalus 550 mg

Solaray4.7 (850 ratings)
Format:Capsule Quantity: 100 VegCap(s) · 100 servings
Goals
$15.65 $0.15 per serving
AmazonLowest$15.65Vitacost$15.69iHerb$15.69

Product analysis

50 out of 100

Astragalus 550 mg is a simple, single-herb supplement traditionally used for immune support. The preparation is unspecified, which matters because powders and extracts are not interchangeable.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality20

The astragalus preparation is not specified. Its form quality therefore cannot be compared confidently.

Ingredient Transparency63

The astragalus amount is disclosed, making serving quantities easy to compare. The preparation is unspecified, so it is unclear whether comparisons with powders or extracts are appropriate.

Value For Money40

A reliable value comparison is unavailable for this astragalus serving. Its unclear preparation also limits like-for-like comparisons.

Customer Satisfaction80

Customers give very positive ratings. A moderate review base supports that feedback without establishing health effects.

Product Focus79

The single-herb formula is clearly centered on immune support. Traditional use and immune-cell findings do not establish reliable everyday respiratory benefits.

Format
Capsule
Container
100 VegCap(s)
Per serving
$0.15
Customer rating
4.7 · 850 ratings
Report analysis

Goals

Immunity
Immunity
Impact
High effect
B+ Ingredient FitD- PathwaysA+ EvidenceA+ Formulation Logic

Astragalus has traditional and immune-cell claims, but the supplied context does not establish reliable routine adult respiratory outcomes. Its declared 550 mg per serving receives a saved contribution without demonstrating a clinical prevention dose. Powder and extract preparations cannot be assumed equivalent.

How this product is rated for Immunity

Ingredient fit82

The declared ingredients provide the immune connection; the strength and transferability of their clinical evidence remain distinct from their presence.
Goal fit
The counted ingredients align with immune support, while links to other purposes make the formula's focus less exclusive.
Dose adequacy
The declared astragalus amount receives a saved comparison, but reliable routine adult respiratory outcomes do not establish a clinical prevention dose.

Pathways40

The saved findings concentrate on innate immune cell activity. These ingredient associations do not establish clinical immune protection.
Depth
The strongest saved association is innate immune cell activity, without establishing a measured immune or infection outcome.
Breadth
One immune-related area meets the saved coverage threshold; other areas receive less or no contribution.

Evidence95

The supplied scientific context does not establish reliable routine adult respiratory benefit for astragalus, despite its saved contribution.
Evidence strength
Astragalus receives a saved contribution, but traditional and immune-cell findings do not establish routine adult respiratory benefit.
Studied preparation
The counted preparations are accepted in the saved comparison; this does not independently establish clinical equivalence or product superiority.

Formulation logic100

No required partner or configured conflict was found. Counted amounts meet the saved inclusion threshold, without establishing an extra combination benefit.
Partner coverage
No required partner is missing for the counted ingredients; this does not establish an added immune benefit from combining them.
Conflicts
No configured formulation conflict was found at the supplied amounts and partner declarations.
Effective doses
All counted ingredients meet the saved amount inclusion threshold, without proving a dose that prevents or treats infection.
Study evidence
Astragalus Supportive 16 studies

Ingredients

IngredientAmount per servingScore
organic Astragalus
550 mg 100
Adults 18–50 Vegan Organic Vegetarian
Report overview
Astragalus · 550 mg OverallScore100
A+ Composition And Label Disclosure
Each serving lists 550 mg of Astragalus membranaceus, with the amount disclosed individually. The saved facts do not specify its preparation, so weight alone does not show how it compares with an extract.
How this ingredient is rated

Composition and Label Disclosure

The saved facts identify Astragalus membranaceus but do not specify the preparation.

Composition and Label Disclosure100

The amount of Astragalus membranaceus is individually disclosed as 550 mg per serving.
Individual Preparation Amount Disclosure
The amount of Astragalus membranaceus is individually disclosed as 550 mg per serving.

Commercial Price and Usability

The whole-product serving costs about $0.16; a separate value assessment is not available.
View ingredientView products
81 Performance

Astragalus Extract 500 mg

NOW

Its 500 mg astragalus root extract identifies polysaccharides, making the main ingredient easier to assess than an uncharacterized herb amount. Compared with the original, that ingredient profile is better characterized or more closely aligned with immune support; the species and active-marker concentration remain unstated.

78 Performance

Astragalus

Herb Pharm

Its label identifies an accepted astragalus species and the root source at 665 mg, making the botanical identity clearer. Compared with the original, that ingredient profile is better characterized or more closely aligned with immune support; no active-marker concentration is provided.

77 Performance

Astragalus Root 2000 mg

Nature's Answer

Its label identifies an accepted astragalus species and the root source at 2000 mg, making the botanical identity clearer. Compared with the original, that ingredient profile is better characterized or more closely aligned with immune support; no active-marker concentration is provided.

75 Budget

Astragalus 550 mg

Nutricost

Its 550 mg astragalus root powder provides a simple, focused herbal option without unrelated active ingredients. Compared with the original, it lowers the serving cost while retaining relevant astragalus support, although it is not an identified standardized extract, so active strength is uncertain.

74 Budget

Astragalus Root 470 mg

Swanson

Its clearly quantified astragalus keeps the formula relevant to the original product’s main herbal purpose. Compared with the original, it lowers the serving cost while retaining relevant astragalus support, although the species, plant part, and active-marker concentration remain unclear.

67 Budget

Immune Renew

NOW

Its astragalus root extract and organic mushroom blend both identify polysaccharides, creating a broader immune-focused profile with useful marker detail. Compared with the original, it lowers the serving cost while retaining relevant astragalus support, although the blend is less focused, and the astragalus species and marker concentration are not stated.

77 Value

Full Spectrum Astragalus Extract 500 mg

Planetary Herbals

Its focused astragalus root extract keeps the formula closely aligned with the original product’s main ingredient. Compared with the original, a somewhat higher serving cost and the disclosed ingredient profile create a useful quality-to-cost balance, although the species and active-marker concentration remain unstated.

74 Value

Astragalus 500 mg

Nature's Answer

Its astragalus root extract names astragalosides and is paired with additional whole astragalus, giving the formula a more clearly characterized herbal core. Compared with the original, a somewhat higher serving cost and the disclosed ingredient profile create a useful quality-to-cost balance, although the label names the marker but does not state its concentration.

76 Value

Astragalus 1000 mg

AN Amazing Nutrition Amazing Formulas

Its focused astragalus extract preserves the original product’s main herbal purpose in a concise formula. Compared with the original, a lower serving cost and the disclosed ingredient profile create a useful quality-to-cost balance, although the species, plant part, and active-marker concentration remain unclear.

Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Astragalus polysaccharides combined with radiochemotherapy for cervical cancer: a systematic review and meta-analysis of randomized controlled studies.
    Sun T; Zhao R; Zhang Y; Li D; Shan X; Tang X; Zheng Y · Frontiers in pharmacology · 2025
    Meta-analysis776 participants9 studies pooledImmunity forAstragalus
  2. [Effect of intravenous drip infusion of cyclophosphamide with high-dose Astragalus injection in treating lupus nephritis].
    Su L; Mao JC; Gu JH · Zhong xi yi jie he xue bao = Journal of Chinese integrative medicine · 2008
    Randomized trial43 participantsImmunity forAstragalus
  3. Astragalus mongholicus (Fisch.) Bge Improves Peripheral Treg Cell Immunity Imbalance in the Children With Viral Myocarditis by Reducing the Levels of miR-146b and miR-155.
    Zhang Z; Dai X; Qi J; Ao Y; Yang C; Li Y · Frontiers in pediatrics · 2020
    Randomized trial68 participantsImmunity forAstragalus
  4. [Clinical study on effect of Astragalus in efficacy enhancing and toxicity reducing of chemotherapy in patients of malignant tumor].
    Duan P; Wang ZM · Zhongguo Zhong xi yi jie he za zhi Zhongguo Zhongxiyi jiehe zazhi = Chinese journal of integrated traditional and Western medicine · 2003
    Randomized trial120 participantsImmunity forAstragalus
  5. [Modulatory effect of Astragalus membranaceus on Th1/Th2 cytokine in patients with herpes simplex keratitis].
    Mao SP; Cheng KL; Zhou YF · Zhongguo Zhong xi yi jie he za zhi Zhongguo Zhongxiyi jiehe zazhi = Chinese journal of integrated traditional and Western medicine · 2004
    Randomized trial168 participantsImmunity forAstragalus