Zahler Immune Defense™, Immune System Support Formula, 120 Capsules supplement bottle
Zahler

Immune Defense™, Immune System Support Formula, 120 Capsules

What We Researched
6 active ingredients analyzed · 2 inactive ingredients decoded · 2 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
91
Product Score Excellent
70
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (PureWay-C®) 600 mg 667%
Pantothenic Acid(as Calcium-D-Pantothenate) 500 mg 10,000%
Olive Leaf Extract 900 mg *
Bee Propolis Powder 900 mg *
Masson Pine Bark Extract 90 mg *
Maritime Pine Bark ExtractPycnogenol® 10 mg *
Bioavailability Very Good

Absorption Rating

  • Vitamin C (PureWay-C®) Fair
  • Pantothenic Acid(as Calcium-D-Pantothenate) Good
  • Olive Leaf Extract Good
  • Bee Propolis Powder Fair
  • Masson Pine Bark Extract Good
  • Maritime Pine Bark ExtractPycnogenol® Good
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Capsule)
  • Organic Rice Hull Concentrate
Efficacy Very Good

Dosage Analysis

  • Vitamin C (PureWay-C®) 600 mg Effective
  • Pantothenic Acid(as Calcium-D-Pantothenate) 500 mg Effective
  • Olive Leaf Extract 900 mg Effective
  • Bee Propolis Powder 900 mg Effective
  • Masson Pine Bark Extract 90 mg Effective
  • Maritime Pine Bark ExtractPycnogenol® 10 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (PureWay-C®) 600 mg 667%
Pantothenic Acid(as Calcium-D-Pantothenate) 500 mg 10,000%
Olive Leaf Extract 900 mg *
Bee Propolis Powder 900 mg *
Masson Pine Bark Extract 90 mg *
Maritime Pine Bark ExtractPycnogenol® 10 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Capsule) Safe

It is used as a material for making vegetarian capsules.

Organic Rice Hull Concentrate Safe

Natural filler and flow agent from rice hulls.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$34$33$32$31$30 Mar 12 $32.49$32.00
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Zahler

Founded 2005 · Brooklyn, NY, USA · 140 products · zahlers.com/

Certifications

2 certifications
Fda Gmp Inspections Verified Source
Kosher Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source

Violation History

4 incidents
Prop 65 Lead2023-08-28Source
Lawsuit Trademark Infringement2022Source
Prop 65 Lead2021-12-09Source
Fda Warning A retailer was cited for making drug claims about a Zahler product.2017-04-17Source
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Frequently Asked Questions
Is Zahler Immune Defense™, Immune System Support Formula a good supplement?

Zahler Immune Defense™, Immune System Support Formula, 120 Capsules received a product quality score of 91/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 6 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 70/100 with 2 verified certifications including Fda Gmp Inspections, Kosher Certified.

What are the ingredients in Zahler Immune Defense™, Immune System Support Formula?

Zahler Immune Defense™, Immune System Support Formula contains 6 active ingredients: Vitamin C (PureWay-C®) (600 mg), Pantothenic Acid(as Calcium-D-Pantothenate) (500 mg), Olive Leaf Extract (900 mg), Bee Propolis Powder (900 mg), Masson Pine Bark Extract (90 mg), Maritime Pine Bark ExtractPycnogenol® (10 mg). Notable high-dose ingredients include Vitamin C at 667% DV, Pantothenic Acid at 10,000% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Zahler Immune Defense™, Immune System Support Formula safe to take?

Zahler Immune Defense™, Immune System Support Formula, 120 Capsules has been analyzed for ingredient safety across all its components. All 2 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. 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 70/100 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 140 products in their lineup. They hold 2 verified certifications including Fda Gmp Inspections, Kosher Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. 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. 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.