Natural Factors Anti-V Formula, with Clinically Proven Echinamide, 3.4 fl oz (100 ml) supplement bottle
Natural Factors

Anti-V Formula, with Clinically Proven Echinamide, 3.4 fl oz (100 ml)

What We Researched
1 active ingredient analyzed · 1 inactive ingredient decoded · 5 brand certifications checked · 4 retailers compared · Last updated: Mar 2026
62
Product Score Fair
88
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Proprietary BlendECHINAMIDE® Echinacea purpurea‡ fresh liquid extract 8:1 (aerial & root)Reishi mushroom (Ganoderma lucidum), fresh extract 1:1 (whole fruiting body)Lomatium (Lomatium dissectum), fresh extract 2:1 (root)Astragalus (Astragalus membranaceus), fresh extract 1:1 (root)Licorice (Glycyrrhiza glabra), fresh extract 2:1 (root) 1 ml **
Bioavailability Fair

Absorption Rating

  • Proprietary BlendECHINAMIDE® Echinacea purpurea‡ fresh liquid extract 8:1 (aerial & root)Reishi mushroom (Ganoderma lucidum), fresh extract 1:1 (whole fruiting body)Lomatium (Lomatium dissectum), fresh extract 2:1 (root)Astragalus (Astragalus membranaceus), fresh extract 1:1 (root)Licorice (Glycyrrhiza glabra), fresh extract 2:1 (root) Fair
Other Ingredients Excellent

Fillers & Additives

  • pure Grain Alcohol
Efficacy Very Poor

Dosage Analysis

  • Proprietary BlendECHINAMIDE® Echinacea purpurea‡ fresh liquid extract 8:1 (aerial & root)Reishi mushroom (Ganoderma lucidum), fresh extract 1:1 (whole fruiting body)Lomatium (Lomatium dissectum), fresh extract 2:1 (root)Astragalus (Astragalus membranaceus), fresh extract 1:1 (root)Licorice (Glycyrrhiza glabra), fresh extract 2:1 (root) 1 ml Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Proprietary BlendECHINAMIDE® Echinacea purpurea‡ fresh liquid extract 8:1 (aerial & root)Reishi mushroom (Ganoderma lucidum), fresh extract 1:1 (whole fruiting body)Lomatium (Lomatium dissectum), fresh extract 2:1 (root)Astragalus (Astragalus membranaceus), fresh extract 1:1 (root)Licorice (Glycyrrhiza glabra), fresh extract 2:1 (root) 1 ml **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

pure Grain Alcohol Unknown

Price Comparison

iHerb $17.79 $0.18 / serving
Best Price
Vitacost $20.27 $0.20 / serving
Target $21.99 $0.22 / serving

Price History

Tracked across major retailers. Updated periodically.

$22$20$19$17$15 Mar 12 $20.27$17.00
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
Natural Factors

Founded 1950 · Coquitlam, British Columbia, Canada · 390 products · naturalfactors.com

Certifications

5 certifications
B Corp Certified Verified Source
Usp Verified Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

5 incidents
Prop 65 Lead2025-10-31Source
Recall Hi Potency B Complex, RevitalX, Super Multi® IRON FREE2024-07-19Source
Lawsuit Products labeled as containing glucosamine sulfate did not contain the ingredient.2021Source
Prop 65 Lead2016-01-13Source
Recall Natural Factors L-Arginine 500mg2006-04-05Source
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Frequently Asked Questions
Is Natural Factors Anti-V Formula, with Clinically Proven Echinamide a good supplement?

Natural Factors Anti-V Formula, with Clinically Proven Echinamide, 3.4 fl oz (100 ml) received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients with 100 servings per container. Of the 1 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, Natural Factors, holds a brand trust score of 88/100 with 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in Natural Factors Anti-V Formula, with Clinically Proven Echinamide?

Natural Factors Anti-V Formula, with Clinically Proven Echinamide contains 1 active ingredients: Proprietary BlendECHINAMIDE® Echinacea purpurea‡ fresh liquid extract 8:1 (aerial & root)Reishi mushroom (Ganoderma lucidum), fresh extract 1:1 (whole fruiting body)Lomatium (Lomatium dissectum), fresh extract 2:1 (root)Astragalus (Astragalus membranaceus), fresh extract 1:1 (root)Licorice (Glycyrrhiza glabra), fresh extract 2:1 (root) (1 ml). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natural Factors Anti-V Formula, with Clinically Proven Echinamide safe to take?

Natural Factors Anti-V Formula, with Clinically Proven Echinamide, 3.4 fl oz (100 ml) 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 Natural Factors a trustworthy supplement brand?

Natural Factors receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1950 and headquartered in Coquitlam, British Columbia, Canada, the company offers 390 products in their lineup. They hold 5 verified certifications including B Corp Certified, Usp Verified, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Natural Factors has 5 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.