What is Quercetin？
Quercetin a flavonoid found in fruits and vegetables, has unique biological properties that may improve mental/physical performance and reduce infection risk . These properties form the basis for potential benefits to overall health and disease resistance, including anti-carcinogenic, anti-inflammatory, antiviral, antioxidant, and psychostimulant activities, as well as the ability to inhibit lipid peroxidation, platelet aggregation and capillary permeability, and to stimulate mitochondrial biogenesis . Therefore, there is a pressing need for well-designed clinical trials to evaluate this novel dietary supplement further.
Uses of AOGUBIO supply Quercetin
Quercetin has antioxidant and anti-inflammatory properties that may help reduce swelling, kill cancer cells, control blood sugar, and help prevent heart disease. Quercetin is most commonly used for conditions of the heart and blood vessels and to prevent cancer. It’s also used for arthritis, bladder infections, and diabetes, but there’s no strong scientific evidence to support most of these uses. There is also no solid evidence to support the use of quercetin to treat COVID-19.
Which foods contain quercetin?
Quercetin is widely present in the stem bark, flowers, leaves, buds, seeds, and fruits of many plants, mostly in the form of glycosides, such as rutin, quercetin, hypericin, etc., and quercetin can be obtained by acid hydrolysis cortex. Among them, the content is higher in the stems and leaves of buckwheat, sea buckthorn, hawthorn and onion. Quercetin is also found in many foods, such as onions, shallots, asparagus, cabbage, mustard greens, green peppers, endive, grapefruit, lettuce, hawthorn, apples, mangoes, plums, radishes, blackcurrants, potatoes, and spinach. . In addition, about 100 kinds of medicinal plants (such as Sophora japonica, Arborvitae, Galangal, Coltsfoot, Mulberry, Panax notoginseng, Ginkgo, elderberry, etc.) all contain this ingredient. Studies on the content of quercetin in tea, fruit juice and wine show that the content of quercetin in some beverages (such as beer, coffee, chocolate milk, and white wine) is below 1 mg/L, while the content of quercetin in red wine is 1 mg/L. 4~16 mg/L, grape juice 7~9 mg/L; in fruit juice, except for lemon juice (7 mg/L) and tomato juice (13 mg/L), the content of quercetin is higher. Low, generally below 5 mg/L; the highest content of quercetin in tea (10~25 mg/L).
Supplements and dosage of AOGUBIO Supply quercetin?
Some of the most common types of dietary supplements include: quercetin 3, quercetin 3 glucoside, quercetin glucoside, isoquercetin, quercetin 7 capsinoside, and quercetin 3 0 rhamnetin glycosides. Some quercetin supplements are also labeled as quercetin dihydrate, which is mostly insoluble in water and may not be as absorbed as other types.
There is no recommended daily intake of quercetin, so dosage recommendations may vary based on your medical condition.
It’s estimated that most people typically get between 5 and 40 milligrams of calories per day from eating common plant foods; however, if you stick to an overall nutrient-dense diet, you may be getting more—according to some reports, as much as 500 mg.
At this time, the FDA or any other governing health authority has not determined the optimal dose of quercetin for any specific condition, so it is up to you and your doctor to decide which dose is best for you.
A common oral dose for people switching to quercetin supplements is 500 mg twice daily, but it is definitely possible to experience benefits at lower doses as well.
Quercetin supplements are available in all types of pills or capsules and are often used in formulations along with other anti-inflammatory ingredients. For example, quercetin and bromelain (an anti-inflammatory enzyme found in pineapples) can be taken to help manage allergies.
This could be labeled a “quercetin complex” formula, a synergistic formula designed to provide additional antioxidant ad/or anti-aging support.
When buying capsules or supplements, make sure to buy from a reputable brand and read the ingredients carefully, as the amount of active ingredient can vary from manufacturer to manufacturer (which is one reason it’s hard to recommend a specific dose).
XI’AN AOGU BIOTECH CO.,LTD is devoted into the research and innovation in natural nutritional supplements ingredients. Our own factory and lab with the strict quality control system to ensure quality stability and real price of Quercetin . At the same time, we have our own source for the raw material to make sure the production ability.