Source Naturals NutraDrops™ Quercetin, 134 mg, 4 fl oz (118.28 ml) supplement bottle
Source Naturals

NutraDrops™ Quercetin, 134 mg, 4 fl oz (118.28 ml)

What We Researched
1 active ingredient analyzed · 8 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
62
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Quercetin 134 mg
Bioavailability Fair

Absorption Rating

  • Quercetin Fair
Other Ingredients Excellent

Fillers & Additives

  • Deionized Water
  • Glycerin
  • Lactic Acid
  • Natural Orange Flavor
  • Xanthan Gum
  • Lauric arginate
  • Lecithin
  • Stevia Extract
Efficacy Very Poor

Dosage Analysis

  • Quercetin 134 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Quercetin 134 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Deionized Water Safe

It is used as a solvent to dissolve ingredients.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Lactic Acid Safe

It is used as a preservative and pH adjuster.

Natural Orange Flavor Safe

It is used to add orange flavor to the supplement.

Xanthan Gum Safe

Thickens and stabilizes liquid and semi-solid supplements.

Lauric arginate Unknown
Lecithin Safe

It is used as an emulsifier to help mix oil and water-based ingredients.

Stevia Extract Generally_safe

It is used to add sweetness without calories.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$22$20$19$17$16 Mar 12 $19.53$17.99
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
Source Naturals

Founded 1982 · Scotts Valley, CA, USA · 837 products · sourcenaturals.com/

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
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Frequently Asked Questions
Is Source Naturals NutraDrops™ Quercetin, 134 mg a good supplement?

Source Naturals NutraDrops™ Quercetin, 134 mg, 4 fl oz (118.28 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 59 servings per container. Of the 8 inactive ingredients, 6 are rated safe and 0 are flagged for review. The manufacturer, Source Naturals, holds a brand trust score of 66/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Source Naturals NutraDrops™ Quercetin, 134 mg?

Source Naturals NutraDrops™ Quercetin, 134 mg contains 1 active ingredients: Quercetin (134 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals NutraDrops™ Quercetin, 134 mg safe to take?

Source Naturals NutraDrops™ Quercetin, 134 mg, 4 fl oz (118.28 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 Source Naturals a trustworthy supplement brand?

Source Naturals receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Scotts Valley, CA, USA, the company offers 837 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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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.