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Jarrow Quercetin 500mg
(100 Caps)
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Avg. Rating:
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Retail price:
$17.95
Our price:
$8.73
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You save:
$9.22
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51.36 % off
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Availability:
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Item Number :
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JR-071
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Package Description :
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1 Bottle
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Product Weight Per Unit :
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0.55
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Serving Size :
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1 Capsule
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Number of Servings :
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100
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- How to keep your Back, Neck & Nerve system vibrantly healthy with your order
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Your first impression was outstanding in every respect. I spoke to a knowledgeable person with a great attitude. Lowest price + best service = a winning combination. Definitely A Keeper!
Vaughn, Sacramento, California, USA
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Jarrow Quercetin 500mg
(100 Caps)
Quercetin is a flavonol (a subclass of flavonoids) and is a potent antioxidant, providing cardiovascular protection by reducing oxidation of LDL cholesterol. Quercetin is known as a potent antioxidant that helps fight free radicals that can cause cellular damage. Primary sources of quercetin are blueberries, red onions, apples and spinach.It is one-half of the rutin molecule, another flavonol. Quercetin is a more active antioxidant than is rutin and is the most widely consumed flavonoid in the diet.
Quercetin has many health promoting effects, including improvement of :
- Cardiovascular health
- Reducing risk for cancer
- Anti-inflammatory
- Anti-allergic effects
All these activities are caused by the strong antioxidant action of quercetin. It will help to combat free radicals molecules, which can damage cells.
As many other flavonoids, quercetin prevents the oxidation of LDL (bad) cholesterol.
The anti-inflammatory action of quercetin is caused by the inhibition of enzymes, such as lipoxygenase, and the inhibition of inflammatory mediators.
Quercetin also inhibits the release of histamine, which causes congestion, by basophils and mast cells.
Quercetin also seems to reduce the production of uric acid, by inhibiting the xanthine oxidase, thereby easing gout symptoms.Studies have shown an improved lung function and lower risk of certain respiratory diseases (asthma and bronchitis) for people with high apple (rich in quercetin) intake.
Quercetin is a plant pigment found in many foods such as onions, apples, berries, tea, grapes and red wine. It's not a nutrient, but is classified as a flavonoid. Once thought to be vitamins, flavonoids were given such names as vitamin P and vitamin C2. Like many other plant chemicals, quercetin is sold as a supplement. Oral quercetin is relatively well absorbed, and it is metabolized mainly to isorhamnetin, tamarixetin and kaempferol.
Primary sources of quercetin are blueberries, red onions, apples and spinach.It is one-half of the rutin molecule, another flavonol. Quercetin is a more active antioxidant than is rutin and is the most widely consumed flavonoid in the diet.
Quercetin often occurs in plants as glycosides, such as Rutin (quercetin rutinoside) in tea. Quercetin and rutin are used in many countries as vasoprotectants and are ingredients of numerous multivitamin preparations and herbal remedies. The average U.S. adult eating a normal, healthy diet consumes about 25 to 50 milligrams of quercetin a day.
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Nutritional Facts
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| Each Serving Size (caps) 1 provides: |
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| Ingredients |
Amount Per Capsule |
% Daily Value |
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| Quercetin |
500 mg |
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Ingredient Details :
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Cellulose, silicon dioxide and magnesium stearate. Capsule consists of gelatin. Contains NO common allergen.
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Suggested Use :
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Take 1 or more capsules per day with meals, or as directed by your qualified health consultant.
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Warnings :
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Keep out of the reach of children. These statements have not been approved by the Food and Drug Administration (FDA). This product is not intended to cure, treat, diagnose or prevent any disease.
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Product Faqs :
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What are the Antioxidants?
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Antioxidants are substances that may protect cells from the damage caused by unstable molecules known as free radicals. Free radical damage may lead to cancer. Antioxidants interact with and stabilize free radicals and may prevent some of the damage free radicals otherwise might cause. Examples of antioxidants include beta-carotene, lycopene, vitamins C, E, and A, and other substances.
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How the antioxidants affect our Health?
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The research continues to grow regarding the knowledge of antioxidants as healthful components of food. Oxidation, or the loss of an electron, can sometimes produce reactive substances known as free radicals that can cause oxidative stress or damage to the cells. Antioxidants, by their very nature, are capable of stabilizing free radicals before they can react and cause harm, in much the same way that a buffer stabilizes an acid to maintain a normal pH. Because oxidation is a naturally occurring process within the body, a balance with antioxidants must exist to maintain health.
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Which foods are rich in antioxidants?
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Antioxidants are abundant in fruits and vegetables, as well as in other foods including nuts, grains and some meats, poultry and fish. The list below describes food sources of common antioxidants.
- Beta-carotene is found in many foods that are orange in color, including sweet potatoes, carrots, cantaloupe, squash, apricots, pumpkin, and mangos. Some green leafy vegetables including collard greens, spinach, and kale are also rich in beta-carotene.
- Lutein, best known for its association with healthy eyes, is abundant in green, leafy vegetables such as collard greens, spinach, and kale.
- Lycopene is a potent antioxidant found in tomatoes, watermelon, guava, papaya, apricots, pink grapefruit, blood oranges, and other foods. Estimates suggest 85 percent of American dietary intake of lycopene comes from tomatoes and tomato products.
- Selenium is a mineral, not an antioxidant nutrient. However, it is a component of antioxidant enzymes. Plant foods like rice and wheat are the major dietary sources of selenium in most countries. The amount of selenium in soil, which varies by region, determines the amount of selenium in the foods grown in that soil. Animals that eat grains or plants grown in selenium-rich soil have higher levels of selenium in their muscle. In the United States, meats and bread are common sources of dietary selenium. Brazil nuts also contain large quantities of selenium.
- Vitamin A is found in three main forms: retinol (Vitamin A1), 3,4-didehydroretinol (Vitamin A2), and 3-hydroxy-retinol (Vitamin A3). Foods rich in vitamin A include liver, sweet potatoes, carrots, milk, egg yolks and mozzarella cheese.
- Vitamin C is also called ascorbic acid, and can be found in high abundance in many fruits and vegetables and is also found in cereals, beef, poultry and fish.
- Vitamin E, also known as alpha-tocopherol, is found in almonds, in many oils including wheat germ, safflower, corn and soybean oils, and also found in mangos, nuts, broccoli and other foods.
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