BioStacks
Source Naturals

NutraDrops Quercetin

Liquid · 2 Droppers (2ml) · 29 servings · $0.52/serving

iHerbAmazon

Every active here is dosed below the amount studied to work. See how each one compares in the breakdown below.

Ingredients (1)

Quercetin

27%

Dose

134 mg

Target

500–1000 mg

Form

—

Other Ingredients (9)

Lauric ArginatePreservative

An antimicrobial preservative derived from lauric acid, L-arginine and ethanol, used to inhibit microbial growth in foods.

Purified WaterSolvent

Water meeting USP specifications used as solvent/vehicle in gummies and liquids

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

Lactic AcidAcidulant

Naturally occurring organic acid used as a pH adjuster and preservative in supplements

Sunflower LecithinEmulsifier

Non-GMO, non-allergenic emulsifier derived from sunflower seeds

Natural Orange FlavorFlavor

A natural flavoring derived from orange to mask supplement taste

PotassiumMineral

Essential mineral naturally present in many plant-based supplement ingredients

Stevia ExtractSweetener

Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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