Astragalus 550 mg

Astragalus 550 mg

Nutricost4.8 (707 ratings)
Format:Capsule Quantity: 240 Capsule(s) · 240 servings
Goals
$13.99 $0.05 per serving
Daily VitaLowest$13.99iHerb$14.95

Product analysis

51 out of 100

Astragalus 550 mg offers a single-herb approach to immune support, though dependable benefits for everyday respiratory health remain uncertain.

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

Nutrient Quality20

The exact astragalus preparation is not identified. That prevents a meaningful comparison with specific botanical preparations.

Ingredient Transparency63

The astragalus amount is stated. Missing preparation details limit a like-for-like comparison with other products.

Value For Money40

There is not enough information to judge value for astragalus. The serving amount alone does not establish a favorable cost.

Customer Satisfaction81

Customer feedback is generally favorable. A moderate number of ratings provides some perspective, without proving health benefits.

Product Focus79

One herb gives the formula a narrow immune-support purpose. That clear purpose does not establish a reliable everyday respiratory benefit.

Format
Capsule
Container
240 Capsule(s)
Per serving
$0.05
Customer rating
4.8 · 707 ratings
Report analysis

Goals

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

Astragalus has traditional and immune-cell rationales, but the supplied context does not establish a reliable routine adult respiratory benefit. The saved findings include 550 mg in one capsule, with partial amount coverage. That inclusion does not demonstrate fewer infections or establish that this material is equivalent to an effective clinical preparation.

How this product is rated for Immunity

Ingredient fit82

Astragalus is the sole focused ingredient, with partial serving-amount coverage in the saved findings.
Goal fit
The single active ingredient keeps the formula focused on its relevant role.
Dose adequacy
The 550 mg capsule receives partial amount coverage; this does not establish an effective clinical dose.

Pathways40

The saved findings center on innate immune cells; clinical respiratory benefit remains uncertain.
Depth
The strongest saved contribution concerns innate immune-cell activity; this describes a functional connection rather than demonstrated infection prevention.
Breadth
Only one functional area meets the saved coverage comparison, limiting the breadth of support.

Evidence95

The saved preparation finding does not resolve the lack of reliable routine adult respiratory evidence.
Evidence strength
Astragalus was included in the saved findings, but reliable routine adult respiratory benefit remains unestablished.
Studied preparation
The saved preparation match does not establish a reliable clinical respiratory benefit for this astragalus material.

Formulation logic100

Astragalus needs no required partner in the saved findings, and no assessed conflict was found.
Partner coverage
The included ingredients need no additional required partner for their saved contribution; this does not demonstrate extra benefit from combining them.
Conflicts
No configured ingredient conflict was found in the supplied facts.
Effective doses
All included ingredients meet the saved minimum amount comparison; that threshold is not a proven clinical effective dose.
Study evidence
Astragalus Supportive 16 studies

Ingredients

IngredientAmount per servingScore
Astragalus root powder
550 mg 100
Gluten Free Adults 18–50
Report overview
Astragalus · 550 mg OverallScore100
A+ Composition And Label Disclosure
A serving of 1 capsule lists 550 mg of astragalus. The whole-product serving costs about $0.06.
How this ingredient is rated

Composition and Label Disclosure

No separate quality or bioavailability assessment is provided in the saved evaluation.

Composition and Label Disclosure100

Each serving records 550 mg of astragalus; its specific preparation is not identified in the saved facts.
Individual Preparation Amount Disclosure
The astragalus amount is disclosed as 550 mg per serving; the specific preparation is not identified in the saved facts.

Commercial Price and Usability

The whole-product serving costs about $0.06; no separate value assessment is provided.
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.

76 Budget

Astragalus 450 mg

Ron Teeguarden's Dragon Herbs

Its focused astragalus root extract keeps the formula closely aligned with the original product’s main ingredient. It is not lower-cost than the original, but it is the closest remaining eligible fit for this category; the species and active-marker concentration remain unstated.

78 Budget

Astragalus

Nature's Way

Its astragalus root extract names astragalosides and is paired with additional whole astragalus, giving the formula a more clearly characterized herbal core. It is not lower-cost than the original, but it is the closest remaining eligible fit for this category; the label names the marker but does not state its concentration.

74 Budget

Astragalus 500 mg

Swanson

Its 500 mg Astragalus membranaceus extract names calycosin as a marker, giving the extract more specific active-character information. It is not lower-cost than the original, but it is the closest remaining eligible fit for this category; the label does not state the marker concentration.

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 somewhat higher 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