🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 67% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

3 Capsule(s) Serving Size
30 Servings
Botanical with Nutrients Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

850 mg
📊 Market median: 470.0mg (230 products) 📚 9 studies (Tier A: 3, B: 3)
This product: 850mg
565 mg
📊 Market median: 400.0mg (380 products) 📚 34 studies (Tier A: 1, B: 10)
This product: 565mg
📊 Market median: 175.0mg (497 products) 📚 11 studies (Tier A: 0, B: 1)
This product: 985mg
625 mg
📊 Market median: 500.0mg (497 products) 📚 132 studies (Tier A: 0, B: 40)
This product: 625mg
1000 mg (10000% DV)
📊 200.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 1000mg
Vitamin C
775 mg (1292% DV)

Other Ingredients

Microcrystalline Cellulose Vegetarian Capsule

Label Claims — Verification

All Other
Structure/Function
All Other (100% of products) Structure/Function (81% of products) Nutrient (3% of products)

Target Groups

Adult (18 - 50 Years) Kosher

Product Information

📋 Directions for Use

Directions: Take 3 capsules 2 times daily with meals, or as directed by a health care processional.

⚠️ Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

🧪 Formulation Notes

KOSHER PAREVE

UNDER STRICT SUPERVISION OF RABBI SH. STERN & THE ORTHODOX UNION

Additional Information

You may need additional supplements to support a healthy diet: consult your nutritionist for a formula that is right for you. or call us toll free at 877-ASK-ZAHLER (877-275-9245).

MADE IN THE USA {Flag}

Advanced Immune Support Formula Powerful Immune Support

IMMUNE DEFENSE {capsule}

Powerful Immune Support

U

D

THIS PRODUCT WAS MANUFACTURED IN A GMP CERTIFIED FACILITY

STORE IN A COOL, DRY PLACE.

Product Details

UPC / SKU 8 48998 08070 9
DSLD Entry Date 2014-05-23
Product Type Botanical with Nutrients
Form Capsule
Brand Zahler
DSLD ID 33215
Data Updated 2026-04-11

Research Evidence

9 Research Sources
60 Avg Quality Score
5 Meta Analysis
2 Cochrane Review
1 Systematic Review
1 Rct
B Astragalus (a traditional Chinese medicine) for treating chronic kidney disease.
Cochrane Review The Cochrane database of systematic reviews
B Oral Astragalus (Huang qi) for preventing frequent episodes of acute respiratory tract infection in children.
Cochrane Review The Cochrane database of systematic reviews
B Evaluating traditional Chinese medicine (TCM) Jie Geng and Huang Qi combination on reducing surgical site infections in colorectal cancer surgeries: A systematic review and meta-analysis
Meta Analysis International wound journal 2024
B Chronic fatigue syndrome post-COVID-19: triple-blind randomised clinical trial of Astragalus root extract
Rct BMJ supportive & palliative care 2025
B Efficacy and potential pharmacological mechanism of Astragalus-Salvia miltiorrhiza combination in diabetic nephropathy: integrating meta-analysis, network pharmacology, molecular docking, and experimental validation
Meta Analysis Renal failure 2025
B Renal protective effects and mechanisms of Astragalus membranaceus for diabetic kidney disease in animal models: An updated systematic review and meta-analysis
Meta Analysis Phytomedicine : international journal of phytotherapy and phytopharmacology 2024
C Adjuvant therapy with Astragalus membranaceus for post-stroke fatigue: a systematic review
Systematic Review Metabolic brain disease 2020
C Efficacy of Astragalus Membranaceus (Huang Qi) for Cancer-Related Fatigue: A Systematic Review and Meta-Analysis of Randomized Controlled Studies
Meta Analysis Integrative cancer therapies 2025
C The Effect of Astragalus on Humoral and Cellular Immune Response: A Systematic Review and Meta-Analysis of Human Studies
Meta Analysis Complementary medicine research 2023
View all evidence for Astragalus →

Compare Similar Products

View all Astragalus products →