Product Image

Quercetin Complex

Natrol
4.7
★ ★ ★ ★ ★
(1283 ratings)
Flavonoid 66 mg
Vitamin C 1000 mg
Product Image
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

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.

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.

Pros
  • 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.
Cons
  • 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.
Warnings
  • 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
Ingredients
IngredientAmount per serving
Vitamin C (Ascorbic Acid) 1000 mg
Quercetin 500 mg
Citrus Bioflavonoid Complex 66 mg
Adults 18–50 Dairy Free
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.
Anti-Inflammatory Support 95.0
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.
90 Value

C 1000 mg

Nature's Bounty
4.7
★★★★★
(1177 ratings)
This alternative delivers a robust 1000mg of Vitamin C per serving at a very competitive price point, offering an excellent balance of high potency and affordability. It's a great choice for those seeking strong daily immune support without compromise on value.
91 Value

C 1000 mg with Rose Hips

21st Century
4.8
★★★★★
(4334 ratings)
Providing a significant 1000mg of Vitamin C fortified with a generous amount of Rose Hips, this product offers enhanced absorption and additional antioxidant benefits. Its formulation represents strong value for a comprehensive Vitamin C supplement.
92 Value

C-500 Calcium Ascorbate-C

NOW
4.9
★★★★★
(6730 ratings)
This alternative offers a buffered form of Vitamin C (Calcium Ascorbate) and importantly, includes Citrus Bioflavonoid Complex, closely mirroring the synergistic intent of the original product. While 500mg Vitamin C, its unique combination of enhanced absorption and bioflavonoids makes it a high-value choice for those seeking specific formula benefits.
95 Performance

Gold C Vitamin C 1000 mg

California Gold Nutrition
4.8
★★★★★
(358021 ratings)
While lacking Quercetin, this product offers a pure, high-potency 1000mg Vitamin C from a brand highly trusted by consumers, evidenced by its massive review count. It's considered superior for those prioritizing a clean, effective, and widely acclaimed Vitamin C source.
93 Performance

Buffered Gold C

California Gold Nutrition
4.8
★★★★★
(46051 ratings)
This buffered Vitamin C (Sodium Ascorbate) alternative provides 750mg of Vitamin C per serving, which is gentler on the stomach than standard ascorbic acid. This makes it a superior choice for individuals with digestive sensitivities, ensuring comfortable and consistent absorption.
92 Performance

C 1000 mg

Swanson
4.8
★★★★★
(1596 ratings)
Matching the original product's Vitamin C dosage at 1000mg, this alternative includes Rose Hips, a natural source of bioflavonoids that enhance Vitamin C absorption and antioxidant activity. This well-rounded formulation offers a strong immune and antioxidant boost.
90 Budget

C-500 With Rose Hips

NOW
4.9
★★★★★
(10235 ratings)
This alternative offers a highly cost-effective 500mg Vitamin C dose enhanced with Rose Hips, which aids absorption and provides additional antioxidants. It delivers excellent value for basic immune and general health support at a significantly lower cost per serving.
88 Budget

C 500 mg

Swanson
4.8
★★★★★
(2179 ratings)
A budget-friendly option providing 500mg of Vitamin C along with a small amount of Rose Hips for synergistic benefits. Its competitive price per serving makes it a strong choice for those seeking an economical daily Vitamin C supplement.
87 Budget

C 500 mg

21st Century
4.8
★★★★★
(31743 ratings)
This product stands out for its exceptionally low cost per serving for 500mg of Vitamin C, making it one of the most accessible options for consistent Vitamin C intake. It offers reliable immune support without breaking the bank.
90 Value

C 1000 mg

Nature's Bounty
4.7
★★★★★
(1177 ratings)
This alternative delivers a robust 1000mg of Vitamin C per serving at a very competitive price point, offering an excellent balance of high potency and affordability. It's a great choice for those seeking strong daily immune support without compromise on value.
91 Value

C 1000 mg with Rose Hips

21st Century
4.8
★★★★★
(4334 ratings)
Providing a significant 1000mg of Vitamin C fortified with a generous amount of Rose Hips, this product offers enhanced absorption and additional antioxidant benefits. Its formulation represents strong value for a comprehensive Vitamin C supplement.
92 Value

C-500 Calcium Ascorbate-C

NOW
4.9
★★★★★
(6730 ratings)
This alternative offers a buffered form of Vitamin C (Calcium Ascorbate) and importantly, includes Citrus Bioflavonoid Complex, closely mirroring the synergistic intent of the original product. While 500mg Vitamin C, its unique combination of enhanced absorption and bioflavonoids makes it a high-value choice for those seeking specific formula benefits.
95 Performance

Gold C Vitamin C 1000 mg

California Gold Nutrition
4.8
★★★★★
(358021 ratings)
While lacking Quercetin, this product offers a pure, high-potency 1000mg Vitamin C from a brand highly trusted by consumers, evidenced by its massive review count. It's considered superior for those prioritizing a clean, effective, and widely acclaimed Vitamin C source.
93 Performance

Buffered Gold C

California Gold Nutrition
4.8
★★★★★
(46051 ratings)
This buffered Vitamin C (Sodium Ascorbate) alternative provides 750mg of Vitamin C per serving, which is gentler on the stomach than standard ascorbic acid. This makes it a superior choice for individuals with digestive sensitivities, ensuring comfortable and consistent absorption.
92 Performance

C 1000 mg

Swanson
4.8
★★★★★
(1596 ratings)
Matching the original product's Vitamin C dosage at 1000mg, this alternative includes Rose Hips, a natural source of bioflavonoids that enhance Vitamin C absorption and antioxidant activity. This well-rounded formulation offers a strong immune and antioxidant boost.