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Quercetin benefits
Jan 27, 2022

Quercetin benefits

May reduce inflammation

Free radicals may do more than simply damage your cells.


Research shows that high levels of free radicals may help activate genes that promote inflammation. Thus, high levels of free radicals may lead to an increased inflammatory response.


While a little inflammation is necessary to help your body heal and fight infections, persistent inflammation is linked to health problems, including certain cancers, as well as heart and kidney diseases.


Studies show that organic quercetin powder may help reduce inflammation.


In test-tube studies, quercetin reduced markers of inflammation in human cells, including the molecules tumor necrosis factor alpha (TNFα) and interleukin-6 (IL-6) (7Trusted Source, 8Trusted Source).


An 8-week study in 50 women with rheumatoid arthritis observed that participants who took 500 mg of quercetin experienced significantly reduced early morning stiffness, morning pain, and after-activity pain (9Trusted Source).


They also had reduced markers of inflammation, such as TNFα, compared to those who received a placebo (9Trusted Source).


While these findings are promising, more human research is needed to understand the compound’s potential anti-inflammatory properties.

Quercetin benefits

May ease allergy symptoms

Quercetin’s potential anti-inflammatory properties may provide allergy symptom relief.


Test-tube and animal studies found that it may block enzymes involved in inflammation and suppress inflammation-promoting chemicals, such as histamine (10Trusted Source, 11Trusted Source, 12Trusted Source).


For example, one study showed that taking quercetin supplements suppressed peanut-related anaphylactic reactions in mice (13Trusted Source).


Still, it’s unclear whether the compound has the same effect on allergies in humans, so more research is needed before it can be recommended as an alternative treatment.


May have anticancer effects

Because quercetin has antioxidant properties, it may have cancer-fighting properties (14Trusted Source).


In a review of test-tube and animal studies, quercetin was found to suppress cell growth and induce cell death in prostate cancer cells (15).


Other test-tube and animal studies observed that the compound had similar effects in liver, lung, breast, bladder, blood, colon, ovarian, lymphoid, and adrenal cancer cells (16Trusted Source, 17Trusted Source, 18Trusted Source, 19Trusted Source).


Though these findings are promising, human studies are needed before quercetin can be recommended as an alternative treatment for cancer.


May lower your risk of chronic brain disorders

Research suggests that quercetin’s antioxidant properties may help protect against degenerative brain disorders, such as Alzheimer’s disease and dementia (20Trusted Source).


In one study, mice with Alzheimer’s disease received quercetin injections every 2 days for 3 months.


By the end of the study, the injections had reversed several markers of Alzheimer’s, and the mice performed much better on learning tests (21Trusted Source).


In another study, a quercetin-rich diet reduced markers of Alzheimer’s disease and improved brain function in mice at the early middle stage of the condition.


However, the diet had little to no effect on animals with middle-late stage Alzheimer’s (22Trusted Source).


Coffee is a popular beverage that has been linked to a lower risk of Alzheimer’s disease.


In fact, research shows that quercetin, not caffeine, is the primary compound in coffee that’s responsible for its potential protective effects against this illness (23Trusted Source).


Though these findings are promising, more research in humans is needed.

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May reduce blood pressure

High blood pressure affects 1 in 3 American adults. It raises your risk of heart disease — the leading cause of death in the United States (24).


Research suggests that quercetin may help reduce blood pressure levels. In test-tube studies, the compound appeared to have a relaxing effect on blood vessels (25Trusted Source, 26Trusted Source).


When mice with high blood pressure were given quercetin daily for 5 weeks, their systolic and diastolic blood pressure values (the upper and lower numbers) decreased by an average of 18% and 23%, respectively (27Trusted Source).


Similarly, a review of 9 human studies in 580 people found that taking more than 500 mg of quercetin in supplement form daily reduced systolic and diastolic blood pressure by an average of 5.8 mm Hg and 2.6 mm Hg, respectively (28Trusted Source).


Although these findings are promising, more human studies are needed to determine whether the compound could be an alternative therapy for high blood pressure levels.

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Other potential benefits

Here are several other potential benefits of quercetin:


May help combat aging. Test-tube and animal research suggests that quercetin may help rejuvenate or eliminate aging cells and reduce markers of aging. However, more human research is needed (29Trusted Source, 30Trusted Source, 31Trusted Source).

May aid exercise performance. A review of 11 human studies found that taking quercetin may slightly improve endurance exercise performance (32Trusted Source).

May aid blood sugar control. Human and animal research indicates that the compound may reduce fasting blood sugar levels and protect against complications of diabetes (33Trusted Source, 34Trusted Source, 35Trusted Source).

SUMMARY

Quercetin may improve inflammation, blood pressure, exercise performance, and blood sugar management.


In addition, it may have brain-protective, anti-allergy and anticancer properties. Still, more research in humans is needed.



Quercetin benefits for skin


Quercetin is a flavonoid, so it has powerful antioxidant and anti-inflammatory properties.


Like all antioxidants, it patrols your body looking for free radicals (the nasty molecules that give you wrinkles and dark spots). When it spots one, it goes on the attack and neutralises it before it can wreak its aging damage.


Plus, it soothes inflammation, another of the main causes of premature aging. But it soothing properties do more than keeping wrinkles at bay for longer. Quercetin also helps with eczema.


But, let’s be clear: fighting free radicals and soothing inflammation help PREVENT, not treat, wrinkles and dark spots. Don’t believe brands that tell you otherwise.


One more thing: Quercetin is a powerful antioxidant, but it’s not the best. There is no best. Just like your body needs more than just kale, your skin needs more than one antioxidant to stay healthy and strong.


By all means, add it to your skincare routine. Just don’t rely only on it. The more antioxidants you use, the better.

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Quercetin benefits lungs


Introduction Quercetin is a plant flavonoid and has potent antioxidant and anti-inflammatory properties. In a preclinical model of chronic obstructive pulmonary disease (COPD), quercetin reduced markers of both oxidative stress and lung inflammation and also reduced rhinovirus-induced progression of lung disease. Although quercetin appears to be an attractive natural alternative to manage COPD, the safety of quercetin supplementation in this population is unknown.


Methods We recruited COPD patients with mild-to-severe lung disease with FVE1 ranging between >35% and <80% and supplemented with either placebo or quercetin at 500, 1000 or 2000 mg/day in a dose-escalation manner. The duration of quercetin supplementation was 1 week.


Quercetin benefits for hair


Quercetin has also been shown to support hair growth by reducing PGD2, a prostaglandin which is linked to inhibited hair growth and hair loss.


Quercetin benefits for gout

Quercetin is a flavonoid that reduces high uric acid levels that causes the inflammation and pain during a gout attack. Bromelain assists in increasing your body's absorption and utilization of quercetin, working very well together.


Quercetin is anti-inflammatory, anti-viral, and antioxidant, so there are many quercetin benefits for your health.


Most people haven’t heard about quercetin before, but it’s actually one of the most commonly consumed nutrients—well, antioxidants—in the diet and boasts an impressive list of duties to go with it.


Oh, and there’s one more thing: weight loss.


There are no concrete links where quercetin and weight loss are concerned, but there’s a whole lot of potential.


If you’re tired of investing your time and money into weight loss supplements that don’t work or cause unpleasant side effects, there’s a new kid in town that you may want to get familiar with.


This article is all about quercetin and weight loss—what is it, what it does, and how you can use quercetin to support weight loss.

Quercetin FOR WEIGHT LOSS

Quercetin benefits weight loss


Increase aerobic performance—Exercise is a powerful weight-loss tool, and because of quercetin’s capacity to increase aerobic exercise performance, you can train harder and longer, which means more calories burned and more weight lost.


Decrease adiposity—The way in which quercetin modulates adipose tissue levels is slightly complex, but it may help attenuate adipogenesis and decrease expression of adipogenesis-related factors and enzymes, as well as activate the AMPK signaling pathway; AMPK is like the master metabolic switch of the body. Quercetin may help to target different stages in the adipocytes life cycle that may be beneficial for decreasing adipose tissue volume by inducing apoptosis or inhibiting adipogenesis (fat accumulation), or both.


Regulate blood sugar—Blood sugar imbalances can be a huge impedance on weight loss because insulin is, by nature, a fat-storage hormone. Quercetin is reported to interact with many targets in the small intestine, pancreas, skeletal muscle, adipose tissue, and liver to control full-body glucose homeostasis. The mechanism behind how it does this involves inhibiting intestinal glucose absorption, insulin secretion, and insulin-sensitizing activities, as well as improved glucose utilization in peripheral tissues.


Quercetin benefits for cold


We showed that quercetin, a potent antioxidant and anti-inflammatory agent, also possesses anti-rhinoviral effects. Quercetin inhibits viral infection at multiple stages, including endocytosis, transcription of the viral genome and viral protein synthesis. Further studies are needed to determine whether quercetin is beneficial in preventing or treating rhinovirus infections, or reducing symptoms related to viral infection in patients with chronic lung disease including chronic obstructive pulmonary disease, asthma or cystic fibrosis.

For bulk wholesale quercetin, please contact us at email:herbext@undersun.com.cn

References:https://www.healthline.com/nutrition/quercetin

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4777224/

https://www.beautifulwithbrains.com/quercetin-in-skincare-products-how-effective-is-it/

https://www.pdr.net/full-prescribing-information/Kidney-Support-dietary-supplement-23940

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