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Features & Benefits

RN Labs Quercesorb delivers a highly absorbable & bioavailable form of Quercetin using patented phytosome technology.

Quercesorb offers greater clinically effective delivery of active ingredients. Scientific studies demonstrate that Phytosome formulations show better solubility, pharmacokinetic and efficacy characteristics than non-phytosome formulations.

Quercetin has been shown to significantly reduce oxidation, inflammation, pain and support the immune system. It therefore has the potential to support a broad range of health conditions related to areas such as allergy, skin inflammation, anti-viral defense, cardiovascular health, weight management & metabolic function, as well as novel uses for exercise recovery in athletes.

-Patented Phytosome technology (using sunflower lecithin)
-Up to 20 times greater quercetin absorption
-Evidenced by clinical studies
-Mast cell stabilisation and histamine management.
-Provides anti-inflammatory, antioxidant & analgesic support
-Supports natural anti-viral defences.

Dose & Administration

Adults take 1—6 capsules daily or as prescribed by your healthcare practitioner.


Caution & Contradindications

If symptoms persist consult your healthcare practitioner.
If pregnant, consult your healthcare practitioner before using this product.
Digoxin – avoid concurrent use.
At doses typically administered for therapeutic purposes quercetin is not associated with toxicity.
Known Side Effects

Induces CYP1A1 therefore may alter metabolism of compounds that share this enzyme pathway.


RN Labs use only the highest grade ingredients and materials available. Our purity standards for manufacturing and sourcing are extensively researched and verified.

RN Labs’ Quercesorb is a pure and hypoallergenic product, developed to meet the needs of even the most sensitive patients. Formulated with no harsh or irritating excipients, ensures comfort, safety and efficacy for improved patient compliance and results.

Pure & Low-Sensitivity

This product does NOT contain wheat, gluten, dairy, lactose, egg, yeast, soy, artificial colours, artificial sweeteners, or artificial flavours. This product also does not contain synthetic preservatives, stearate lubricants and other commonly detrimental excipients.


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