Quercetin capsules displayed against the chemical formula of quercetin

What is Quercetin Good For?

Article Summary:

  • Quercetin promotes various health functions, including the heart, kidneys, gastrointestinal system, immune function, and the neurological system.*

  • The poor natural bioavailability and absorption of quercetin are a significant hindrance to its efficacy as an antioxidant and immunomodulatory agent.*

  • Tesseract’s groundbreaking CyLoc® – DexKey® nutrient delivery nanotechnology addresses quercetin’s solubility and absorption challenges, making its use a therapeutic reality.  

As a polyphenol compound, quercetin displays antioxidant properties and protects against oxidative stress.* The immunomodulatory properties of quercetin help maintain the body’s natural inflammatory responses to mitigate adverse allergic reactions.* These properties of quercetin are crucial in supporting various health functions, including the heart, kidneys, gastrointestinal system, immune function, and others.* 

Although quercetin is abundantly present in multiple fruits and vegetables, free quercetin is poorly absorbed and has limited bioavailability, so it is  often recommended to include a quercetin supplement in your diet. Supplemental quercetin formulations typically use different delivery systems to overcome the solubility and absorption challenges. However, before incorporating a quercetin supplement into your diet, you should understand the benefits of  quercetin and how it supports various health functions.   

The Benefits of Quercetin — An Overview

Quercetin is derived from the Latin word ‘Quercetum’ which means oak forest. Although the body does not make quercetin, it plays a critical role in the peroxidation of lipids and platelet aggregation. The following table highlights quercetin’s benefits and how it can promote optimal health.*

Therapeutic Benefits of Quercetin

Health Function

Potential Benefits

Cardiovascular Health*

  • Quercetin modulates cell signaling pathways to inhibit the oxidation of low-density lipoprotein (LDL).* 

  • Research1 shows that a regular daily intake of 500 mg of quercetin helps maintain normal blood pressure levels.*

  • Quercetin also helps maintain healthy arteries by inhibiting the expression of adhesion molecules in human aortic endothelial cells.*

Immune Health*

  • Quercetin inhibits immune cells from releasing histamines — the body’s chemicals that trigger allergic reactions.* 

  • Quercetin helps reduce the production of the proinflammatory cytokines that are involved in the up-regulation of inflammatory reactions.*

  • Quercetin helps maintain the balance between the beneficial activities of T-helper 1 and T-helper 2 cells (Th1/Th2 balance).*  

Neurological Health*

  • The lipophilic nature of quercetin helps it pass through the blood-brain barrier and function as a neuroprotective agent.* 

  • Quercetin helps reduce lipid peroxidation and limits the oxidative damage to neurons.*

  • In aging individuals, quercetin helps delay the onset of neurodegeneration.*  

Gastrointestinal Health*

  • Quercetin helps maintain normal inflammatory responses in the gastrointestinal tract.*

  • Several studies suggest that quercetin modulates gut microbial diversity, promotes the proliferation of beneficial bacteria, and suppresses the presence of pathogens.*

Renal Health*

  • Several studies demonstrate that quercetin protect kidneys by alleviating renal toxicity.*

  • Quercetin helps maintain normal renal function by limiting the accumulation of senescent cells in the kidneys.* 

  • Acting as an antioxidant, quercetin inhibits oxidative stress by scavenging toxins and limiting renal injury.*

The therapeutic role of quercetin and its safety profile is well established. However, you should consider including an advanced quercetin supplement formulation in your diet that resolves the poor solubility and absorption of this important nutrient.   

Including An Advanced Quercetin Supplement in Your Diet

Tesseract Medical Research has developed an innovative quercetin supplement formulation that supports cardiovascular health and immune function.* QuerciSorb® features the proprietary CyLoc® – DexKey® nutrient delivery nanotechnology, which is engineered to ensure the optimal absorption of quercetin and its rapid delivery throughout the intestinal tract. The CyLoc® technology encases quercetin molecules in a dextrin fiber matrix, thereby creating nano-sized particles that are easily absorbed. The accompanying DexKey® technology breaks the dextrin fiber cage at the desired release point in the intestinal tract for maximum absorption and efficacy. 

Tesseract’s ‘Three Pillar Approach’ ensures unprecedented absorption of quercetin while masking its bitterness. Enhanced absorption of the active nutrient enables micro-dosing — using less quercetin than previously required to achieve a potent and rapid physiological response.* With QuerciSorb®, quercetin’s cardioprotective and immuno-supportive benefits are unlocked to support your overall health.* 

The power of Tesseract supplements lies in enhancing palatability, maximizing absorption and bioavailability, and micro-dosing of multiple nutrients in a single, highly effective capsule. Shop products on our website and learn more about how they can help support your heart and immune system.*  

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Citations

1Serban M-C, et al. Effects of quercetin on blood pressure: A systematic review and meta-analysis of randomized controlled trials. Journal of the American Heart Association vol. 5,7 e002713. 12 Jul. 2016, doi:10.1161/JAHA.115.002713

2Feng J, et al. Quercetin alleviates intestinal inflammation and improves intestinal functions via modulating gut microbiota composition in LPS-challenged laying hens. Poultry science vol. 102,3 (2023): 102433. doi:10.1016/j.psj.2022.102433

Al Czap, Founder | Tesseract

Al Czap has more than four decades of professional experience in preventative medicine. He founded Thorne Research in 1984 (sold in 2010) and he published Alternative Medicine Review for 17 years beginning in 1996. AMR was a highly acclaimed, peer-reviewed, and indexed medical journal. Al was the first to recognize the need for hypoallergenic ingredients and to devise methods of manufacture for and delivery of hypoallergenic products to underserved patient populations. His work has greatly impacted those with impaired immune and digestive systems and compromised health due to environmental exposures.

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