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Zahler Immune Defense supplement bottle
Zahler

Immune Defense Review

What We Researched
5 active ingredients analyzed · 2 inactive ingredients decoded · 3 brand certifications checked · Page generated: Sep 2026
95
Product Score Excellent
81
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Pycnogenol 100 mg †
Bee Propolis 1000 mg †
Olive leaf extract 1000 mg †
Vitamin C 600 mg 1000%
Pantothenic Acid (as Calcium D-Pantothenate) 500 mg 5000%
Bioavailability Very Good

Absorption Rating

  • Pycnogenol Good
  • Bee Propolis Fair
  • Olive leaf extract Good
  • Vitamin C Fair
  • Pantothenic Acid (as Calcium D-Pantothenate) Good
Other Ingredients Excellent

Fillers & Additives

  • Rice Flour
  • Vegetable Stearate
Efficacy Excellent

Dosage Analysis

  • Pycnogenol 100 mg Effective
  • Bee Propolis 1000 mg Effective
  • Olive leaf extract 1000 mg Effective
  • Vitamin C 600 mg Effective
  • Pantothenic Acid (as Calcium D-Pantothenate) 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Pycnogenol 100 mg †
Bee Propolis 1000 mg †
Olive leaf extract 1000 mg †
Vitamin C 600 mg 1000%
Pantothenic Acid (as Calcium D-Pantothenate) 500 mg 5000%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Vegetable Stearate Safe

Prevents ingredients from sticking to equipment.

Brand Trust Report
Zahler

Founded 2005 · Brooklyn, NY, USA · 174 products · zahlers.com/

Certifications

3 certifications
Fda Gmp Inspections Source available Primary evidence
Kosher Certified Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

5 claims
Third Party Testing Claim — Claimed Evidence available Evidence
In House Testing — Verified Evidence available Evidence
Testing Lab Disclosure — True Brand claim; evidence unavailable
Contains Proprietary Blend — True Brand claim; evidence unavailable

Violation History

4 incidents
Prop 65 Lead2023-08-28 Source available Primary source
Lawsuit Trademark Infringement2022 Source available Primary source
Prop 65 Lead2021-12-09 Source available Primary source
Fda Warning A retailer was cited for making drug claims about a Zahler product.2017-04-17 Source available Primary source
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Frequently Asked Questions
Is Zahler Immune Defense a good supplement?

Zahler Immune Defense received a product quality score of 95/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 5 active ingredients with 30 servings per container. All 2 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Zahler, holds a brand trust score of 81/100.

What are the ingredients in Zahler Immune Defense?

Zahler Immune Defense contains 5 active ingredients: Pycnogenol (100 mg), Bee Propolis (1000 mg), Olive leaf extract (1000 mg), Vitamin C (600 mg), Pantothenic Acid (as Calcium D-Pantothenate) (500 mg). Notable high-dose ingredients include Vitamin C at 1000% DV, Pantothenic Acid at 5000% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Zahler Immune Defense safe to take?

GoodSupp reviewed the inactive-ingredient data available for Zahler Immune Defense. All 2 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Zahler a trustworthy supplement brand?

Zahler receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2005 and headquartered in Brooklyn, NY, USA, the company offers 174 products in their lineup. Note: Zahler has 4 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.