Thyroid Zen Defense, 90 Vegetarian Capsules
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Selenium (as L-selenomethionine) | 83 mcg | 150% |
| Myo-Inositol | 600 mg | † |
| Holy Basil Extract(as Holixer™ Ocimum sanctum leaf extract, standardized to > 5% Ocimum Bioactive Complex) | 125 mg | † |
| Shiitake Extract 4:1 (Lentinula edodes, fruiting body) | 500 mg | † |
Bioavailability Very Good
Absorption Rating
- Selenium (as L-selenomethionine) Good
- Myo-Inositol Good
- Holy Basil Extract(as Holixer™ Ocimum sanctum leaf extract, standardized to > 5% Ocimum Bioactive Complex) Good
- Shiitake Extract 4:1 (Lentinula edodes, fruiting body) Fair
Other Ingredients Excellent
Fillers & Additives
- Hydroxypropyl Methylcellulose
- Microcrystalline Cellulose
- Magnesium Stearate
- Silicon Dioxide
Efficacy Fair
Dosage Analysis
- Selenium (as L-selenomethionine) 83 mcg Effective
- Myo-Inositol 600 mg Under-dosed
- Holy Basil Extract(as Holixer™ Ocimum sanctum leaf extract, standardized to > 5% Ocimum Bioactive Complex) 125 mg Under-dosed
- Shiitake Extract 4:1 (Lentinula edodes, fruiting body) 500 mg Effective
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Selenium (as L-selenomethionine) | 83 mcg | 150% |
| Myo-Inositol | 600 mg | † |
| Holy Basil Extract(as Holixer™ Ocimum sanctum leaf extract, standardized to > 5% Ocimum Bioactive Complex) | 125 mg | † |
| Shiitake Extract 4:1 (Lentinula edodes, fruiting body) | 500 mg | † |
Other Ingredients
Magnesium Stearate Safe
Silicon Dioxide Safe
Price Comparison
Price History
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Is Allergy Research Group Thyroid Zen Defense, 90 Vegetarian Capsules a good supplement?
Allergy Research Group Thyroid Zen Defense, 90 Vegetarian Capsules received a product quality score of 84/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 4 active ingredients with 60 servings per container. All 4 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 Thyroid Zen Defense, 90 Vegetarian Capsules?
Allergy Research Group Thyroid Zen Defense, 90 Vegetarian Capsules contains 4 active ingredients: Selenium (as L-selenomethionine) (83 mcg), Myo-Inositol (600 mg), Holy Basil Extract(as Holixer™ Ocimum sanctum leaf extract, standardized to > 5% Ocimum Bioactive Complex) (125 mg), Shiitake Extract 4:1 (Lentinula edodes, fruiting body) (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Allergy Research Group Thyroid Zen Defense, 90 Vegetarian Capsules safe to take?
Allergy Research Group Thyroid Zen Defense, 90 Vegetarian Capsules has been analyzed for ingredient safety across all its components. All 4 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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