Allergy Research Group Zen, 200 mg, 60 Vegetarian Capsules supplement bottle
Allergy Research Group

Zen, 200 mg, 60 Vegetarian Capsules

What We Researched
2 active ingredients analyzed · 2 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
84
Product Score Good
71
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
GABA (Gamma-Aminobutyric Acid) 550 mg *
L-Theanine 200 mg *
Bioavailability Fair

Absorption Rating

  • GABA (Gamma-Aminobutyric Acid) Poor
  • L-Theanine Good
Other Ingredients Excellent

Fillers & Additives

  • Hydroxypropyl Methylcellulose
  • L-Leucine
Efficacy Very Good

Dosage Analysis

  • GABA (Gamma-Aminobutyric Acid) 550 mg High
  • L-Theanine 200 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
GABA (Gamma-Aminobutyric Acid) 550 mg *
L-Theanine 200 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

L-Leucine Safe

It is included for its potential muscle-building and recovery benefits.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$46$45$44$43$42 Mar 12 $44.19
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
Allergy Research Group

Founded 1979 · Salt Lake City, Utah, United States · 73 products · allergyresearchgroup.com

Certifications

1 certification
Consumerlab Verified Source

Transparency

4 claims
Third Party Testing Claim — Claimed
Coa Availability — Claimed
In House Testing — Verified Source

Violation History

1 incident
Prop 65 Lead2011-01-14Source
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Frequently Asked Questions
Is Allergy Research Group Zen, 200 mg a good supplement?

Allergy Research Group Zen, 200 mg, 60 Vegetarian Capsules received a product quality score of 84/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 2 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, Allergy Research Group, holds a brand trust score of 71/100 with 1 verified certifications including Consumerlab.

What are the ingredients in Allergy Research Group Zen, 200 mg?

Allergy Research Group Zen, 200 mg contains 2 active ingredients: GABA (Gamma-Aminobutyric Acid) (550 mg), L-Theanine (200 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Allergy Research Group Zen, 200 mg safe to take?

Allergy Research Group Zen, 200 mg, 60 Vegetarian 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 Allergy Research Group a trustworthy supplement brand?

Allergy Research Group receives a brand trust score of 71/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1979 and headquartered in Salt Lake City, Utah, United States, the company offers 73 products in their lineup. They hold 1 verified certifications including Consumerlab. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Allergy Research Group has 1 historical regulatory incident 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.