Flavonoid Database

Vitamin C for Gout Treatment – Just How Easy is it to Get the Required Daily Amount From Food?
In an earlier article I quoted examples of studies that have shown Vitamin C can reduce uric acid (UA) levels, the objective of all gout treatments whether by pharmaceuticals or natural remedies. The usual uric acid level target is 6mg/dL in men, slightly less in women. This is the level below which the trouble-causing MSU crystals, formed mainly from uric acid, may dissolve and thus alleviate or cure gout. However, there are no ironclad guarantees this will happen at that uric acid level.
The most recent of these studies suggested that 500 mg of Vitamin C daily could bring about a uric acid level reduction of about 10%. This is unlikely to be enough to bring UA levels down to the required target, but helpful. This amount of Vitamin C is easily purchased as a dietary supplement. Without question Vitamin C is the world's best known and most widely available vitamin. It's also one of the cheapest.
The late Dr. Robert Atkins (the Atkins Diet) also believed Vitamin C is helpful in gout treatment. It was one of the vitamins in his anti gout formula, as explained in "Dr. Atkins' Vita-Nutrient Solution" (Simon & Schuster Inc., 1999). He included it because of a cause of gout theory that runs on these lines…
Uric acid is a major body antioxidant and antioxidants quell free radicals. Excessive uric acid is produced because of free radical production. i.e the body deals with free radicals by creating excess uric acid. Therefore provide the body with more antioxidants so that it doesn't need to create excess uric acid.
This is not the usually explained purine theory. However it should be noted that not all gout sufferers have excessive uric acid in their bodies but most do. If you have gout and excess uric acid, the important thing is to try to reduce it.
The convention wisdom is that vitamins are best obtained from natural sources, that is from fresh foods. So how easy is it to eat or drink at least 500 mg of Vitamin C daily?
Just add up from the following list to get 500 mg daily. Source figures are taken from the USDA's (United States Department of Agriculture) National Nutrient database release SR19. It is accessible online – search "National Nutrient database."
To standardize and simplify this list: serving size is 1 cup unless stated; raw foods only (except peas); foods with added Vitamin C excluded; doesn't account for different varieties, country or region of origin; climate when produced and other variables; figures rounded to whole numbers. It is, if you like, the big picture. Vitamin C amounts are in mg.
red peppers 190mg; orange juice 124 mg; green peppers 120 mg; strawberries 106 mg; orange 96 mg; grapefruit juice 94 mg; kale 80 mg; broccoli 79mg; pineapple 74 mg; kiwi fruit 71 mg; lemon juice 61 mg; cantaloupe melon 59 mg; mango 57 mg; cauliflower 47 mg; red cabbage 40 mg; roasted chestnuts (European ) 37 mg; peas (frozen) 35 mg; raspberries 32 mg; lemon 31 mg; honeydew melon 31 mg; blackberries 30 mg; cabbage 26 mg; watermelon (one wedge ) 23 mg; tomatoes 23 mg.
Since the potato is so popular, note one baked potato 202 grams size: 19 mg.
Fruits amount of vitamin C, if one whole fruit, or other amount, is the serving size: 1 papaya 188mg; 1 orange 70 mg; 1 red chili pepper 65 mg; and the juice from 1 orange 43 mg; 100 grams limes 29 mg.
And here’s a couple of surprises. Two spices or condiments that are high in vitamin C and not often mentioned: paprika 100 grams (71mg); prepared horseradish 100 grams (25mg).
It's hard to summarise a daily diet for all the tastes of people who read this article. But the easiest (no cooking time) and probably the most popular way to reach 500 mg daily - drink plenty of orange juice. Or, putting it simply, and you've heard this before, eat these fruits and vegetables.
A few words about strawberries Berries are excellent foods for a gout diet, principally because of their flavonoid anthocyanidins. (It is the anthocyanidins in cherries which are believed to have positive effects on lowering uric acid levels) These act as antioxidants thus boosting general health which is so important for gout sufferers. But among the anthocyanidin berries, strawberries stand out as the highest in Vitamin C.
Strawberries should be considered very carefully by gout sufferers. The Swedish botanist Carl Linnaeus (1707-1778) stated that a diet of only strawberries had cured his gout. His linkage of vitamin C and gout gains extra weight from the fact that Linnaeus was a botanist. He probably knew a lot about strawberries.
But do not follow a strawberries only diet. This is a crash diet which is not a good idea since crash diets can trigger gout, and may worsen it. But if you suffer from gout strawberries are an excellent addition to your gout diet plan, because of their anthocyanidins, (the dominant one is pelargonidin), and their Vitamin C. Was it this combination that cured Linnaeus' gout? Perhaps it was.
It's not likely vitamin C on its own will cure gout. But it is helpful especially if combined with a low purine gout diet and other natural remedies for gout.
![]() Jarrow Formulas Quercetin 500mg, 100 Capsules List Price: Sale Price: $10.52 You save: $7.43 (41%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionQuercetin is a flavonol (a subclass of flavonoids) and is a potent antioxidant providing cardiovascular protection by reducing oxidation of LDL cholesterol. Quercetin is one-half of the rutin molecule, another flavonol and is the more active antioxidant.* Picture may be of different size or flavor Features
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![]() Quercetin (500mg) 100 vcaps List Price: Sale Price: $7.95 You save: $9.04 (53%) Eligible for free shipping!Availability: Usually ships in 1-2 business days See Reviews For This Product DescriptionQuercetin is a naturally occurring bioflavonoid found in high concentrations in red wine, onions and green tea. Quercetin possesses powerful antioxidant properties and like other bioflavonoids, has the ability to stabilize cell membranes. These qualities contribute to Quercetin's ability to support healthy histamine levels and balanced immune function. In addition, clinical studies have demonstrated that Quercetin may support prostate health.* Picture may be of different size or flavor Features
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![]() NOW Foods Quercetin W/Bromelain, 120 Vcaps List Price: Sale Price: $13.14 You save: $10.85 (45%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionQuercetin is a naturally occurring bioflavonoid that supports healthy histamine levels, thereby helping to sustain a balanced immune response. Bromelain, an enzyme derived from pineapple stems, also supports healthy immune system function. The combination of Quercetin and Bromelain therefore provides powerful immunomodulating benefits important for the management of occasional seasonal discomfort.* Features
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![]() Source Naturals Activated Quercetin, Bioflavonoid Complex, 200 Tablets List Price: Sale Price: $30.35 You save: $30.63 (50%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionDietary supplement. Activated Quercetin is a unique bioflavonoid derived from plant sources. In human cell culture studies, quercetin ahs been shown to inhibit histamine release. Additional research needs to be conducted to confirm the effects of quercetin, if any, in humans. Bromelain is a pineapple enzyme that may assist the body in times of stress. Magnesium ascorbate is a buffered (non-acidic) from of Vitamin C that helps support the immune system. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.) Suitable for vegetarians. Contains no yeast, dairy, egg, gluten, corn, soy, or wheat. Contains no sugar, starch, salt, preservatives or artificial color, flavor, or fragrance. Features
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![]() Source Naturals Activated Quercetin, 200 Capsules List Price: Sale Price: $30.35 You save: $30.63 (50%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionDietary supplement. Bioflavonoid complex. Activated Quercetin is a unique bioflavonoid derived from plant sources. In human cell culture studies, quercetin has been shown to inhibit histamine release. Additional research needs to be conducted to confirm the effects of quercetin, if any, in humans. Bromelain is a pineapple enzyme that may assist the body in times of stress. Magnesium ascorbate is a buffered (non-acidic) form of Vitamin C that helps support the immune system. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.) Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, preservatives, or artificial color, flavor or fragrance. Features
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![]() Quercetin Complex - Helps support health and wellness, 100 Vcaps,(Solgar) List Price: Sale Price: $18.38 You save: $7.02 (28%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionVitamin C is also known as ascorbic acid and is a water-soluble, antioxidant vitamin that plays a role in more than 300 bodily functions. It is essential to help support health and wellness and requires daily replenishment. Unfortunately, human beings unlike other animals cannot manufacture vitamin C. Nor can they store vitamin C to any appreciable amount. Instead, the kidneys, acting as regulators, excrete vitamin C causing the need for regular replenishment. In addition, vitamin C is destroyed during food preparation. Vitamin C is essential in helping to maintain collagen, a protein necessary for forming skin, ligaments, bones, and teeth and for helping to maintain the strength of blood vessel walls. High levels of vitamin C are also essential for the metabolism of white blood cells, which are critical components of the immune system. In addition, vitamin C plays and important role in the absorption of iron, which is necessary for the formation of red blood cells and in the utilizationi of folic acid, one of the B-complex vitamins. Solgar's Quercetin Complex Vegetable Capsules are free of corn, yeast, wheat, soy and dairy products and are formulated without the use of preservatives, artificial flavors or colors. To assure freshness and potency, store at room temperature 15 -30 C (59 -86 F). Store away from heat, light and moisture. Uniquely Incorporated into Ester-C Plus Complex. Solgar's Quercetin Complex includes the important flavonoid quercetin in a synergistic formula with Ester-C Plus and Bromelain. Ester-C Plus is exclusively formulated by Solgar and provides a patented method of supplementing pH neutral (non-acidic) vitamin C to prevent stomach irritation. In addition, Ester-C Plus includes the naturally occurring vitamin C metabolite-threonate. A special manufacturing process is employed to form a unique calcium ascorbate metabolite complex. Solgar's Ester-C Plus offers the additional benefits of acerola, citrus bioflavonoids, rutin and rose hips in the E Features
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![]() Solaray - Quercetin on-Citrus), 500 mg, 90 capsules List Price: Sale Price: $11.49 You save: $4.00 (26%) Eligible for free shipping!Availability: Usually ships in 1-2 business days See Reviews For This Product DescriptionDescription: Quercetin is one of the most well-known, non-citrus bioflavonoids. Bioflavonoids are intended to provide antioxidant activity and nutritive support to help maintain normal capillary permeability.* The human body cannot manufacture bioflavonoids and therefore must receive its supply through supplementation or diet. Size: 90ct 500mg Directions: As a dietary supplement, take 1 capsule twice daily with a meal or glass of water. Serving Size: 1 Capsule 90 Servings per container Features
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![]() Twinlab Quercetin Plus C, 100 Capsules (Pack of 2) List Price: Sale Price: $29.76 You save: $30.14 (50%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionDietary supplement. Hypoallergenic. Citrus free. Quercetin + C is a revolutionary, synergistic combination of Quercetin, a non-citrus bio-active bioflavonoid and corn-free Vitamin C. Quercetin is unique in that it is more potent than common bioflavonoid c Features
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![]() Doctor's Best Quercetin/Bromelain Capsules, 180-Count List Price: Sale Price: $14.52 You save: $7.47 (34%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionQuercetin-bromelain supplies the flavonoid quercetin extracted from seed pods of the dimorphandra mollis plant. flavonoids are "semi-essential" nutrients found in many plants and foods. bromelain is an enzyme complex derived from the pineapple stem.quercetin modifies the body's response to antigenic substances, inhibits formation of free radicals and supports circulatory health by promoting integrity of tissues in small blood vessels. bromelain supports tissue comfort and may enhance quercetin absorption. Features
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![]() High Potency Quercetin 650 Mg 60 Caps Sale Price: $6.49 Eligible for free shipping!Availability: Usually ships in 1-2 business days See Reviews For This Product DescriptionFortify the antioxidant defenses for your cardiovascular system and your whole body with the all-natural free-radical-fighting power of Swanson Quercetin. A natural antioxidant flavonoid found in onions, apples, green tea and other plant sources, quercetin delivers valuable free-radical protection for blood vessels and other vital tissues throughout the body. It has also been gaining the attention of nutrition researchers for its potential to help maintain a healthy prostate. Our high potency capsules are an excellent, economical way to incorporate this natural defender into your wellness plan. Features
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