Quercetin Complex
Natrol
Quercetin Complex
4.7
★ ★ ★ ★ ★
(1283 ratings)
Flavonoid 66 mg
Vitamin C 1000 mg
Score 92.0
A potent complex from Natrol combining high-dose Vitamin C with significant Quercetin for advanced immune, anti-inflammatory, and anti-allergy support.
Quantity: 50 Capsule(s)Servings size: 2 Capsule(s) (25 servings)
Selected goals:
Other goals:
Immunity
Heart Health
Anti-Aging
Joint Health
Cardiovascular Support
leaderboard Score 92.0
A potent complex from Natrol combining high-dose Vitamin C with significant Quercetin for advanced immune, anti-inflammatory, and anti-allergy support.
insights Analysis
The Natrol Quercetin Complex is a standout product due to its comprehensive formulation, featuring 1000mg of Vitamin C, 500mg of Quercetin, and 66mg of Citrus Bioflavonoid Complex. Quercetin is a highly valued ingredient among nutritionists for its significant anti-allergic and anti-inflammatory properties, making this supplement particularly beneficial for seasonal allergies and broader immune modulation. Online reviews, though fewer than some alternatives, highlight its effectiveness for allergy relief and enhanced immune function. The higher Vitamin C dose provides strong antioxidant support, while the synergy with Quercetin offers advanced health benefits.
- Contains a substantial dose of Quercetin (500mg), a powerful flavonoid known for its anti-inflammatory and anti-allergic effects.
- High dose of Vitamin C (1000mg) provides robust antioxidant and immune support.
- Synergistic blend of Vitamin C, Quercetin, and citrus bioflavonoids maximizes health benefits.
- Offers targeted support for seasonal allergies and chronic inflammation beyond general wellness.
- Higher price per serving compared to basic Vitamin C supplements.
- The 1000mg dose of ascorbic acid might cause digestive discomfort in some sensitive individuals.
- Quercetin can interact with certain medications, requiring caution for some users.
- Quercetin can interact with certain medications, including blood thinners and some antibiotics; consult a healthcare professional before use if on medication.
- Not recommended for pregnant or nursing women, or individuals with kidney disease, without professional medical advice.
- High doses of Vitamin C may lead to gastrointestinal upset in sensitive individuals.
$11.10($0.44 per serving)
 Amazon | $ 0.00 | |
 iHerb | $ 11.10 |
bolt Effectiveness for goals
Vitamin C supports the immune system by aiding in the production and function of white blood cells, particularly phagocytes and lymphocytes. It also helps to protect these cells from damage by harmful molecules like free radicals. Adequate Vitamin C intake is important for maintaining immune health.
While Vitamin C may reduce the duration and severity of common cold symptoms for some individuals, especially those undergoing extreme physical stress, it does not reliably prevent colds in the general population. Regular intake might offer a modest benefit. Research on this topic continues to evolve.
Flavonoids are plant compounds that act as powerful antioxidants, helping to neutralize free radicals that can damage cells. This antioxidative action may reduce oxidative stress and contribute to overall cellular health. They are believed to protect against various chronic conditions associated with oxidative damage.
Yes, Vitamin C is essential for collagen synthesis, a protein vital for skin elasticity and structure. It also functions as an antioxidant, protecting skin cells from damage caused by UV exposure and environmental pollutants. Regular intake may contribute to healthier, more resilient skin.
Flavonoids are associated with a range of health benefits primarily due to their antioxidant and anti-inflammatory properties. These benefits may include supporting cardiovascular health, enhancing cognitive function, and potentially reducing the risk of certain chronic diseases. They are found abundantly in fruits, vegetables, and other plant-based foods.
schedule Dosage, timing & forms
The Recommended Dietary Allowance (RDA) for Vitamin C in adult men is 90 mg per day and 75 mg per day for adult women. Smokers require an additional 35 mg per day due to increased oxidative stress. These amounts are generally sufficient to prevent deficiency.
Vitamin C supplements come in various forms, including ascorbic acid, mineral ascorbates (e.g., sodium ascorbate, calcium ascorbate), and liposomal Vitamin C. Ascorbic acid is the most common and well-studied, and its bioavailability is similar to that from food sources. Some newer forms, like liposomal, claim enhanced absorption, but more research is needed to definitively compare their efficacy over standard ascorbic acid.
health_and_safety Safety & interactions
Vitamin C and many flavonoids are often found together in nature and are generally considered compatible. Some research suggests that flavonoids can enhance the absorption or protective effects of Vitamin C by preventing its oxidation. There are no commonly reported adverse interactions when taken simultaneously.
The Tolerable Upper Intake Level (UL) for adults is 2,000 mg per day for Vitamin C. Consuming amounts above this threshold can increase the risk of gastrointestinal disturbances and other potential side effects. This limit is set to prevent adverse effects in most individuals.
High doses of Vitamin C can cause gastrointestinal issues such as diarrhea, nausea, and abdominal cramps. These effects are generally mild and tend to subside once the dosage is reduced. Consuming excessive amounts can also increase oxalate excretion, potentially contributing to kidney stone formation in susceptible individuals.
Certain flavonoids, particularly those found in grapefruit (e.g., naringin, bergamottin), can inhibit cytochrome P450 enzymes in the liver, affecting the metabolism of many drugs. This can lead to increased drug levels and potential adverse effects. It is important to discuss any flavonoid supplementation with a healthcare provider, especially if taking medications.
In some susceptible individuals, especially those with a history of kidney stones, very high doses of Vitamin C might increase the excretion of oxalate in the urine, a component of kidney stones. While the evidence is not definitive for the general population, caution is advised for those at risk. Staying well-hydrated is always recommended.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Vitamin C | 1000 mg |
Quercetin | 500 mg |
Citrus Bioflavonoid Complex | 66 mg |
Categories
Flavonoid 95.0
This product excels in its flavonoid content, featuring not only citrus bioflavonoids but, more importantly, a substantial 500mg of Quercetin. This makes it a top-tier choice for targeted flavonoid benefits, particularly for anti-inflammatory and anti-allergic actions.
Vitamin C 93.0
Providing a robust 1000mg dose, this product ensures ample Vitamin C intake for comprehensive antioxidant and immune support. Its efficacy is further boosted by the synergistic presence of other flavonoids, optimizing its performance within the body.
Goals
Immunity 95.0
The combination of high-dose Vitamin C and Quercetin provides exceptional immune system support. Vitamin C strengthens immune cells, while Quercetin acts as an immune modulator, helping to regulate inflammatory responses and enhance the body's natural defenses.
Quercetin is exceptionally effective in modulating inflammatory pathways, making this product highly beneficial for anti-inflammatory support. Its ability to stabilize mast cells and inhibit histamine release provides targeted relief for various inflammatory conditions, including allergies.
Anti-Aging 92.0
Quercetin and Vitamin C are both celebrated for their significant anti-aging properties, primarily through their ability to combat oxidative stress and inflammation, two key drivers of cellular aging. This powerful blend helps to maintain cellular vitality and reduce age-related damage.
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