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Health Canada NPN 80120631 166.6mg Liposomal Quercetin + Vitamin E Vegan · Non-GMO · Gluten-Free 225ml Liquid · 45 Servings · Pineapple Flavour
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CanPrev Liposomal Quercetin - Antioxidant Liquid | 225mL

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BrandCanPrev
Serving1 teaspoon (5 mL) - 166.6mg Quercetin + 10 IU Vitamin E
Licensed Natural Health ProductNPN 80120631
Quality StandardsGMP-compliant facility
CountryFormulated in Canada Formulated in Canada

About this item

  • LIPOSOMAL LIQUID FORMAT: Features liposomal quercetin in a ready-to-use liquid format, offering an easy alternative to capsules or tablets for daily supplement routines.
  • 166.6MG QUERCETIN PER SERVING: Each 5 mL (1 teaspoon) serving provides 166.6 mg of quercetin plus 10 IU of vitamin E, with a simple once-daily serving format designed for adults 19 years and older.
  • 45 SERVINGS PER BOTTLE: The 225 mL bottle provides 45 servings, making it easy to follow the suggested daily use without measuring multiple doses throughout the day.
  • PROVIDES ANTIOXIDANTS: An antioxidant that helps protect cells and reduces oxidative damage caused by free radicals, and helps protect the fat in body tissues from oxidation.
  • DELICIOUS PINEAPPLE FLAVOUR: Made with a natural citrus/pineapple-flavoured liquid formula that can be taken by teaspoon, offering a convenient option for those who prefer liquid supplements.
  • VEGAN, CLEAN FORMULA: Vegan, non-GMO, gluten-free, dairy-free and soy-free, with no artificial colours or preservatives.
  • TRUSTED CANADIAN BRAND: Formulated by CanPrev, a Health Canada-licensed natural health product company. NPN 80120631.

Customer Reviews

4.2 out of 5 · 31 global ratings
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Product Description

Liposomal Quercetin - Antioxidant Support in an Easy Liquid Format

CanPrev Liposomal Quercetin

166.6 mg of quercetin (quercetin dihydrate) plus 10 IU of vitamin E per teaspoon, delivered inside a bio-friendly phospholipid liposome for rapid and sustained cellular uptake - a smooth pineapple-flavoured liquid instead of another capsule. An antioxidant that helps protect cells and reduces oxidative damage caused by free radicals, and a source of vitamin E to support biological functions important to the maintenance of good health. Licensed Natural Health Product NPN 80120631.

166,6 mg de quercétine (quercétine dihydraté) et 10 UI de vitamine E par cuillerée à thé, livrée dans un liposome phospholipidique biocompatible pour une absorption cellulaire rapide et soutenue - un liquide onctueux au goût d'ananas plutôt qu'une autre capsule. Un antioxydant qui aide à protéger les cellules et réduire les dommages oxydatifs causés par les radicaux libres, et une source de vitamine E qui soutient des fonctions biologiques importantes pour le maintien d'une bonne santé. Produit de santé naturel homologué. NPN 80120631.

Liposomal Quercetin lifestyle
CanPrev Liposomal Quercetin
166.6mg Liposomal Quercetin + Vitamin E

Liquid, Liposomal, and Built for Absorption

166.6mg Liposomal Quercetin + 10 IU Vitamin E per Serving - Vegan, Non-GMO, Gluten-Free, Pineapple Flavour

Liposomal Delivery System

Bio-friendly phospholipid bilayers envelop the quercetin in a protective bubble, shielding it from digestive breakdown in transit and supporting rapid, sustained cellular uptake.

Quercetin Paired with Vitamin E

Each serving combines 166.6 mg of quercetin with 10 IU of vitamin E, an antioxidant that also helps protect the fat in body tissues from oxidation.

Why Liposomal Quercetin

Quercetin is one of the most-studied plant flavonoids for antioxidant activity - but plain quercetin is notoriously poorly absorbed. Here is what liposomal delivery is formulated to address, and what the wider research on quercetin explores.

Antioxidant Support

An antioxidant that helps protect cells and reduces oxidative damage caused by free radicals, and helps protect the fat in body tissues from oxidation.

Enhanced Absorption

The liposomal format is designed to improve on the poor natural bioavailability of plain quercetin, helping more of the active compound reach circulation.

Vitamin E Included

A source of vitamin E to support biological functions which play a key role in the maintenance of good health.

Gentle, Easy-to-Take Liquid

A smooth, naturally pineapple-flavoured liquid with no capsules to swallow - just shake and take one teaspoon daily.

CanPrev Liposomal Quercetin: Supplement Facts

CanPrev™Liposomal Quercetin
English

Product Facts

  • Quercetin (quercetin dihydrate) per 5 mL (1 teaspoon)166.6 mg
  • Vitamin E (d-alpha tocopherol) per 5 mL (1 teaspoon)10 IU (6.7 mg AT)

Non-Medicinal Ingredients: Non-medicinal ingredients: Citric acid, citrus flavour, glycerin, phosphatidylcholine, potassium bicarbonate, purified water, sugars (xylitol), sunflower oil.

Recommended Use or Purpose: An antioxidant that helps protect cells and reduces oxidative damage caused by free radicals. An antioxidant that protects the fat in body tissues from oxidation. Source of vitamin E to support biological functions which play a key role in the maintenance of good health. A factor in the maintenance of good health.

Recommended Dose (Adults, 19 years and older): Take 1 teaspoon (5 mL) per day with food. Ask a health care practitioner for use beyond 12 weeks. Shake before use. Do not use if the safety seal is broken. Refrigerate after opening.

Cautions and Warnings: Ask a health care practitioner prior to use if you are pregnant or you are breastfeeding. Keep out of reach of children.

Actual product packaging and materials may contain more and different information than shown on our website. Always read labels, warnings and directions before using or consuming a product. This item is sold and shipped by Amazon.ca; purchases are completed on Amazon.

Français

Info-produit

  • Quercétine (quercétine dihydraté) par 5 mL (1 cuillerée à thé)166.6 mg
  • Vitamine E (d-alpha-tocophéryle) par 5 mL (1 cuillerée à thé)10 IU (6.7 mg AT)

Ingrédients non médicinaux : Ingrédients non médicinaux : Acide citrique, arôme d'agrumes, bicarbonate de potassium, eau purifiée, glycérine, huile de tournesol, phosphatidylcholine, sucres (xylitol).

Usage ou fins recommandés : Un antioxydant qui aide à protéger les cellules et réduire les dommages oxydatifs causés par les radicaux libres. Un antioxydant qui protège les lipides dans les tissus du corps contre l'oxydation. Un source de vitamine E qui soutien les fonctions biologiques qui jouent un rôle clé dans le maintien d'une bonne santé. Un facteur dans le maintien d'une bonne santé.

Posologie recommandée (adultes de 19 ans et plus) : Prendre 1 cuillerée à thé (5 mL) par jour avec de la nourriture. Consulter un praticien de soins de santé pour un usage de plus de 12 semaines. Agiter avant utilisation. Ne pas utiliser si le sceau de sécurité est brisé. Réfrigérer après ouverture.

Mises en garde : Consulter un praticien de soins de santé avant d'en faire l'usage si vous êtes enceinte ou vous êtes allaitez. Garder hors de la portée des enfants.

NPN 80120631

166.6mg Liposomal Quercetin · VeganRapid & Sustained Uptake225ml Liquid · 45 ServingsPineapple Flavour · Formulated in Canada

Support antioxidant defense with easy liquid quercetin

Get CanPrev Liposomal Quercetin on Amazon.ca - fast, protected delivery.

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Why CanPrev Liposomal Quercetin

166.6mg of liposomal quercetin plus vitamin E per serving, in an easy pineapple-flavoured liquid - premium CanPrev quality.

Liposomal absorption technology

A bio-friendly phospholipid liposome is formulated to protect quercetin in transit and support rapid, sustained cellular uptake.

Provides antioxidants

An antioxidant that helps protect cells and reduces oxidative damage caused by free radicals, plus a source of vitamin E for the maintenance of good health.

No pills, no measuring

A smooth, naturally pineapple-flavoured liquid format - just one teaspoon a day, with no capsules to swallow.

Vegan, clean-label brand

CanPrev - vegan, non-GMO, gluten-free formula, formulated in Canada. NPN 80120631.

How to use it

Shake well before use

Shake the bottle well before every use to ensure the liposomal suspension is evenly mixed.

Take 1 teaspoon (5 mL) daily with food

Adults 19 years and older: take one teaspoon per day with food, or as directed by a health care practitioner.

Ask a practitioner before 12 weeks' continuous use

Ask a health care practitioner before using for more than 12 weeks.

Refrigerate after opening

Keep refrigerated once opened, and do not use if the safety seal is broken.

What the research says about quercetin

Educational summaries of published research on quercetin, liposomal delivery technology, and vitamin E; not product-specific claims. CanPrev Liposomal Quercetin's own authorized use under NPN 80120631 is that it is an antioxidant that helps protect cells and reduces oxidative damage caused by free radicals, and a source of vitamin E for the maintenance of good health.

Liposomal Delivery Technology (Quercetin)

PEGylated quercetin liposomes achieved 89% encapsulation efficiency

A quercetin-loaded PEGylated liposome formulation achieved 88.85% encapsulation efficiency and remained physically stable for at least 21 days at 4C, illustrating one approach researchers use to stabilize quercetin in a liposomal delivery system.

Preclinical study
Yao et al., International Journal of Nanomedicine (2026)
Liposomal Delivery Technology (Quercetin)

Comparing liposomal and liquid-crystalline nanoparticle carriers for quercetin

Researchers developed and physicochemically characterized quercetin-loaded liposomes (using hydrogenated soy phosphatidylcholine) alongside liquid crystalline lipid nanoparticles, finding that non-ionic surfactants improved the stability and encapsulation efficiency of the liposomal carrier.

Preclinical study
Tsichlis et al., Materials (2023)
Liposomal Delivery Technology (Quercetin)

Liposomes helped shield quercetin from breakdown by liver enzymes in vitro

A comparative study of quercetin-loaded liposomes and nanocochleates found the liposomal form achieved 74.2% encapsulation efficiency and extended in vitro release to 24 hours, part of ongoing research into carrier systems designed to protect quercetin from rapid liver metabolism.

Preclinical study
Munot et al., Pharmaceutics (2022)
Why Quercetin Needs Enhanced Delivery

Quercetin's poor water solubility is a well-documented formulation challenge

A drug-design review describes quercetin's low water solubility, molecular instability and limited absorption as central obstacles to its bioavailability, and surveys delivery systems - including liposomes, nanoparticles and cyclodextrin complexes - developed to address them.

Review
Alizadeh et al., Expert Opinion on Drug Discovery (2023)
Why Quercetin Needs Enhanced Delivery

Flavonoids like quercetin are poorly absorbed in their plain form

A pharmaceutics review of poorly water-soluble flavonoids, including quercetin, summarizes formulation strategies - carrier complexes, nanotechnology and absorption enhancers - developed to improve their low oral bioavailability, dissolution rate and gastrointestinal permeability.

Review
Zhao et al., International Journal of Pharmaceutics (2019)
Why Quercetin Needs Enhanced Delivery

A more bioavailable quercetin form improved blood vessel function acutely

In a randomized crossover study, a quercetin derivative with roughly 17-fold higher bioavailability than plain quercetin significantly improved flow-mediated dilation (a measure of blood vessel function) 1.5 hours after intake in adults with cardiovascular risk factors, compared with placebo.

Human RCT
Bondonno et al., British Journal of Nutrition (2019)
Cardiovascular & Vascular Research

Quercetin supplementation reduced inflammatory markers in at-risk adults

In a randomized, placebo-controlled crossover trial, 4 weeks of quercetin-3-glucoside (160 mg/day) reduced the endothelial marker sE-selectin and the inflammatory marker IL-1beta in (pre)hypertensive men and women, alongside an improved composite inflammation score.

Human RCT
Dower et al., Journal of Nutrition (2015)
Cardiovascular & Vascular Research

A single quercetin dose did not change blood pressure after a high-fat meal

In overweight-to-obese hypertensive adults, adding 54 mg of quercetin to a single high-fat, high-carbohydrate test meal did not significantly alter postprandial blood pressure or several endothelial function markers compared with placebo, in a randomized crossover trial.

Human RCT
Brull et al., European Journal of Nutrition (2016)
Cardiovascular & Vascular Research

Circulating quercetin metabolites tracked with improved vessel dilation

In a dose-response crossover study of cranberry polyphenols, twelve plasma polyphenol metabolites - including a quercetin glucuronide - correlated with the degree of improvement in flow-mediated dilation observed after intake, linking quercetin metabolites to vascular effects.

Human RCT
Rodriguez-Mateos et al., Molecular Nutrition & Food Research (2016)
Antioxidant Mechanism: Nrf2 & Vitamin E

Nano-formulated quercetin activated the cell's own antioxidant enzyme system

In human vascular smooth muscle cells stressed with TGF-beta, quercetin encapsulated in solid lipid nanoparticles activated the Nrf2 pathway and upregulated the antioxidant enzymes HO-1, GPx and SOD1, reducing reactive oxygen species alongside curcumin in a combination treatment.

Preclinical study
Shamsi et al., Iranian Journal of Pharmaceutical Research (2024)
Antioxidant Mechanism: Nrf2 & Vitamin E

A quercetin-related compound protected heart cells via the Nrf2 pathway

Spiraeoside, a naturally occurring quercetin glucoside, protected cultured human cardiomyocytes from high-glucose-induced oxidative stress and cell injury by activating the PI3K/Akt/Nrf2 signaling pathway and increasing antioxidant enzyme activity.

Preclinical study
Liu et al., Journal of Biochemical and Molecular Toxicology (2020)
Antioxidant Mechanism: Nrf2 & Vitamin E

Vitamin E's core job is protecting cell membranes from oxidation

A widely cited review concludes that alpha-tocopherol's (vitamin E's) principal biological function is acting as a lipid-soluble peroxyl radical scavenger, protecting the polyunsaturated fatty acids in cell membranes from oxidative damage.

Review
Traber & Atkinson, Free Radical Biology & Medicine (2007)
Immune Function & Exercise Research

Quercetin reduced post-exercise illness in a cyclist trial

In trained male cyclists completing 3 days of intensive cycling, 3 weeks of quercetin (1,000 mg/day) significantly reduced the incidence of upper respiratory tract infections in the 2 weeks afterward (1 of 20 vs 9 of 20 with placebo), though it did not change several direct measures of immune cell function.

Human RCT
Nieman et al., Medicine & Science in Sports & Exercise (2007)
Immune Function & Exercise Research

A 160km ultramarathon trial found no effect of quercetin on illness rates

In ultramarathoners racing the 160 km Western States Endurance Run, 3 weeks of quercetin (1,000 mg/day) before and 2 weeks after the race did not reduce post-race illness rates or counter the drop in natural killer cell activity and salivary IgA seen after the event.

Human RCT
Henson et al., International Journal of Sports Medicine (2008)
Immune Function & Exercise Research

A review of nutrition strategies to counter exercise-induced immune dips

A review of immunonutrition research in athletes discusses quercetin alongside beta-glucan and curcumin as supplements studied for their potential to lessen exercise-induced immune perturbations and reduce upper respiratory tract infection risk after heavy exertion.

Review
Nieman, Nutrition Reviews (2008)
Cellular Senescence & Senolytic Research

A phase 2 trial tested quercetin plus dasatinib in postmenopausal women

In a phase 2 randomized trial of the senolytic combination dasatinib plus quercetin in 60 postmenopausal women, the primary bone-resorption marker did not differ from control overall, though women with a higher senescent-cell burden showed increased bone-formation markers and bone density gains in exploratory analyses.

Human RCT
Farr et al., Nature Medicine (2024)
Cellular Senescence & Senolytic Research

Dasatinib plus quercetin reduced kidney senescence markers in diabetic mice

In a mouse model of diabetic kidney disease, a short course of dasatinib plus quercetin improved kidney function, reduced senescence and inflammation markers, and increased geroprotective factors, building on the same research group's earlier pilot human trial of the combination.

Preclinical study
Bian et al., EBioMedicine (2026)
Cellular Senescence & Senolytic Research

A review maps senolytic research, including quercetin, in artery disease

A pharmacology review describes how senolytic agents such as dasatinib combined with quercetin or fisetin are being investigated for their ability to clear senescent cells that accumulate in atherosclerotic plaques, while noting that dosing and long-term safety in cardiovascular patients still require dedicated clinical trials.

Review
Manni et al., Naunyn-Schmiedeberg's Archives of Pharmacology (2026)
Mast Cell & Allergy-Related Research

Quercetin outperformed a standard mast cell stabilizer in lab testing

In cultured human mast cells, quercetin inhibited release of the inflammatory mediators IL-8 and TNF more effectively than cromolyn (the only marketed mast cell stabilizer), and in two small open-label pilot trials was associated with improvements in contact dermatitis and photosensitivity.

Preclinical + pilot trial
Weng et al., PLoS ONE (2012)
Mast Cell & Allergy-Related Research

Quercetin blocked a receptor pathway involved in non-allergic reactions

In mouse and cell-based models, quercetin dose-dependently reduced histamine release, calcium signaling and swelling triggered through the Mrgprx2 receptor, a pathway implicated in drug-related pseudo-allergic reactions.

Preclinical study
Ding et al., International Immunopharmacology (2018)
Mast Cell & Allergy-Related Research

A quercetin supplement eased seasonal allergy symptoms in a 4-week trial

In a randomized, double-blind, placebo-controlled trial, adults with pollinosis taking a bioavailable quercetin supplement (200 mg/day) for 4 weeks showed significant improvement in eye itching, sneezing, nasal discharge and quality-of-life scores compared with placebo.

Human RCT
Yamada et al., European Review for Medical and Pharmacological Sciences (2022)
Documented Safety Considerations

A safety review flagged gaps in long-term, high-dose quercetin data

A safety review of isolated quercetin supplements found reported adverse effects are rare and mild, but noted that adequate long-term (over 12 weeks) safety data at high doses (1,000 mg or more per day) are not yet available, and flagged potential drug interactions and effects on damaged kidneys as areas warranting caution.

Review
Andres et al., Molecular Nutrition & Food Research (2018)
Documented Safety Considerations

Quercetin can alter how the body handles certain other medications

Quercetin inhibited a drug-transport protein (BCRP) in cell models and increased blood levels of the drug sulfasalazine when given beforehand in rats, evidence that high dietary or supplemental quercetin intake can meaningfully change the pharmacokinetics of some co-administered medications.

Preclinical study
Song et al., Pharmaceutics (2020)
Documented Safety Considerations

A 6-week human trial monitored liver, kidney and blood safety markers

In a randomized, placebo-controlled crossover trial, 150 mg/day of quercetin for 6 weeks reduced systolic blood pressure and oxidized LDL in overweight adults, and blood tests of liver function, kidney function, hematology and electrolytes showed no adverse changes versus placebo.

Human RCT
Egert et al., British Journal of Nutrition (2009)

Customer Reviews

4.2 out of 5 · 31 global ratings
Read genuine reviews on Amazon →Available at Amazon

Frequently asked questions

What is CanPrev Liposomal Quercetin and what does it do?

It's a 166.6 mg liquid dose of liposomal quercetin plus 10 IU of vitamin E per teaspoon. It's an antioxidant that helps protect cells and reduces oxidative damage caused by free radicals, and a source of vitamin E for the maintenance of good health.

How do I take it?

Adults 19 years and older take one teaspoon (5 mL) per day with food, or as directed by a qualified health care practitioner. Shake well before use, and refrigerate after opening.

Why liposomal instead of a capsule?

Quercetin on its own is poorly absorbed by the body. The liposomal format wraps quercetin in a phospholipid bubble designed to protect it in transit and support faster, more sustained uptake into cells.

How long does one bottle last?

Each 225 mL bottle provides 45 servings - at the recommended dose of one teaspoon daily, that's a 45-day supply.

Is it vegan, and what flavour is it?

Yes - it's vegan, non-GMO and gluten-free, with a natural pineapple/citrus flavour.

Who should use caution, or not use it?

Ask a health care practitioner prior to use if you are pregnant or breastfeeding, and ask a health care practitioner before using for more than 12 weeks. Keep out of reach of children.

Where do I buy it?

Use the orange button on this page - it takes you to the CanPrev listing on Amazon.ca for secure checkout and fast delivery.

166.6mg Liposomal Quercetin · VeganRapid & Sustained Uptake225ml Liquid · 45 ServingsPineapple Flavour · Formulated in Canada

Support antioxidant defense with easy liquid quercetin

Get CanPrev Liposomal Quercetin on Amazon.ca - fast, protected delivery.

Get it on Amazon.ca

Natural Health Product NPN 80120631. Liposomal Quercetin is an antioxidant that helps protect cells and reduces oxidative damage caused by free radicals, and a source of vitamin E for the maintenance of good health. The research summaries below concern quercetin and vitamin E generally and are educational - they are not claims about this finished product. Read and follow the label. Ask a health care practitioner prior to use if you are pregnant or breastfeeding, and ask a health care practitioner before using for more than 12 weeks. Results may vary.

Important information

Safety Information

Cautions and Warnings: Ask a health care practitioner prior to use if you are pregnant or you are breastfeeding. Keep out of reach of children.

Indications

Recommended Use or Purpose: An antioxidant that helps protect cells and reduces oxidative damage caused by free radicals. An antioxidant that protects the fat in body tissues from oxidation. Source of vitamin E to support biological functions which play a key role in the maintenance of good health. A factor in the maintenance of good health.

Ingredients

Medicinal ingredients (per 5 mL/1 teaspoon): Quercetin (quercetin dihydrate) 166.6 mg, Vitamin E (d-alpha tocopherol) 10 IU (6.7 mg AT). Non-medicinal ingredients: Citric acid, citrus flavour, glycerin, phosphatidylcholine, potassium bicarbonate, purified water, sugars (xylitol), sunflower oil. NMIs are subject to change - always read and follow the label for accurate ingredients, cautions and allergen information.

Directions

Recommended Dose (Adults, 19 years and older): Take 1 teaspoon (5 mL) per day with food. Ask a health care practitioner for use beyond 12 weeks. Shake before use. Do not use if the safety seal is broken. Refrigerate after opening.

Legal Disclaimer

Actual product packaging and materials may contain more and different information than shown on our website. Always read labels, warnings and directions before using or consuming a product. This item is sold and shipped by Amazon.ca; purchases are completed on Amazon.

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