DaVinci Laboratories Vira-Shield, 120 Tablets supplement bottle
DaVinci Laboratories

Vira-Shield, 120 Tablets

What We Researched
7 active ingredients analyzed · 3 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
52
Product Score Poor
82
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Black Walnut (Juglans nigra) Green Hull 400 mg *
Wormwood (Artemesia annua)(stem & leaf powder) 200 mg *
Grapefruit (Citrus paradisi) Seed Extract 200 mg *
Olive (Olea europaea) Leaf Extractyielding oleuropein 200 mg30 mg *
Pau D'Arco (Tabebuia impetiginosa) Bark Powder 200 mg *
Black Cumin (Nigella sativa) Seed 200 mg *
Garlic (Allium sativum) (odorless) Bulb Extract 200 mg *
Bioavailability Fair

Absorption Rating

  • Black Walnut (Juglans nigra) Green Hull Fair
  • Wormwood (Artemesia annua)(stem & leaf powder) Poor
  • Grapefruit (Citrus paradisi) Seed Extract Fair
  • Olive (Olea europaea) Leaf Extractyielding oleuropein Fair
  • Pau D'Arco (Tabebuia impetiginosa) Bark Powder Poor
  • Black Cumin (Nigella sativa) Seed Good
  • Garlic (Allium sativum) (odorless) Bulb Extract Fair
Other Ingredients Fair

Fillers & Additives

No inactive ingredient data available.

Efficacy Very Poor

Dosage Analysis

  • Wormwood (Artemesia annua)(stem & leaf powder) 200 mg Under-dosed
  • Grapefruit (Citrus paradisi) Seed Extract 200 mg Effective
  • Olive (Olea europaea) Leaf Extractyielding oleuropein 200 mg30 mg Under-dosed
  • Pau D'Arco (Tabebuia impetiginosa) Bark Powder 200 mg Under-dosed
  • Black Cumin (Nigella sativa) Seed 200 mg Under-dosed
  • Garlic (Allium sativum) (odorless) Bulb Extract 200 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Black Walnut (Juglans nigra) Green Hull 400 mg *
Wormwood (Artemesia annua)(stem & leaf powder) 200 mg *
Grapefruit (Citrus paradisi) Seed Extract 200 mg *
Olive (Olea europaea) Leaf Extractyielding oleuropein 200 mg30 mg *
Pau D'Arco (Tabebuia impetiginosa) Bark Powder 200 mg *
Black Cumin (Nigella sativa) Seed 200 mg *
Garlic (Allium sativum) (odorless) Bulb Extract 200 mg *

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$32$31$30$29$28 Mar 12 $30.00
iHerb

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

Brand Trust Report
DaVinci Laboratories

Founded 1973 · Williston, VT, US · 192 products · davincilabs.com/

Certifications

3 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source

Transparency

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

Violation History

2 incidents
Recall Amyloid Complete2024-05-08Source
Recall Dim Plex2019-07-11Source
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Frequently Asked Questions
Is DaVinci Laboratories Vira-Shield, 120 Tablets a good supplement?

DaVinci Laboratories Vira-Shield, 120 Tablets received a product quality score of 52/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 7 active ingredients with 60 servings per container. The manufacturer, DaVinci Laboratories, holds a brand trust score of 82/100 with 3 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp.

What are the ingredients in DaVinci Laboratories Vira-Shield, 120 Tablets?

DaVinci Laboratories Vira-Shield, 120 Tablets contains 7 active ingredients: Black Walnut (Juglans nigra) Green Hull (400 mg), Wormwood (Artemesia annua)(stem & leaf powder) (200 mg), Grapefruit (Citrus paradisi) Seed Extract (200 mg), Olive (Olea europaea) Leaf Extractyielding oleuropein (200 mg30 mg), Pau D'Arco (Tabebuia impetiginosa) Bark Powder (200 mg), Black Cumin (Nigella sativa) Seed (200 mg), and 1 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is DaVinci Laboratories Vira-Shield, 120 Tablets safe to take?

DaVinci Laboratories Vira-Shield, 120 Tablets has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is DaVinci Laboratories a trustworthy supplement brand?

DaVinci Laboratories receives a brand trust score of 82/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1973 and headquartered in Williston, VT, US, the company offers 192 products in their lineup. They hold 3 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: DaVinci Laboratories has 2 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.