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Quercetin Bromelain Capsules OEM Manufacturer | Antioxidant Supplement

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Product Overview:

Quercetin + Bromelain Capsules – OEM Manufacturer for Antioxidant Support
As a GMP-certified OEM factory, we offer quercetin and bromelain capsules – a botanical combination of a flavonoid (quercetin) and a proteolytic enzyme (bromelain), formulated to provide antioxidant support. Our private label service includes custom quercetin/bromelain ratios, vegetarian capsules, and low MOQ (50 bottles). This product is not intended to diagnose, treat, cure, or prevent any disease.

Product Attributes

Herbal Supplements Zinc Bromelain Capsules Quercetin Capsule

Dosage Form: Capsules

Dose: 2 Capsules Per Day

OEM: Customized logo is welcome, Packing as your requirement. offering private label

Type of Product: quercetin capsules

Model Number: ASRN-quercetin capsule

Specification: 500mg,800mg/bottle or customized

Sample: quercetin capsule Avaliable

Keywords: quercetin capsules

Brand: Ausreson

MOQ: 50 bottles

Appearance: Capsules

Storage: Cool Dry Place

Shelf Life: 2 Years

Test Method: HPLC

Product Details

Last updated: June 2026

What is Quercetin?

Quercetin is a plant pigment belonging to the flavonoid family, commonly found in foods such as apples, onions, berries, citrus fruits, broccoli, and tea. As one of the most abundant antioxidants in nature, quercetin has a long history of use in traditional herbal medicine in Europe and North America.

Modern scientific research indicates that quercetin's main mechanisms of action include:

Powerful antioxidant properties: neutralizing free radicals and reducing oxidative stress
Supporting normal inflammatory responses: regulating the body's natural inflammatory pathways
Promoting cardiovascular health: helping to maintain healthy vascular function
Supporting the immune system: enhancing the body's natural defense mechanisms

Why Quercetin + Bromelain?

Quercetin is a powerful flavonoid, but its absorption can be limited. Bromelain (a proteolytic enzyme from pineapple) has been studied for two roles in this combination:

Enhanced absorption: Bromelain may help improve the bioavailability of quercetin.
Complementary support: Both ingredients support a healthy inflammatory response – quercetin via antioxidant pathways, bromelain via enzymatic modulation.

Result: A more comprehensive formula for immune, respiratory, and seasonal wellness support.

Key Health Benefits of Quercetin Capsules

1. Supports Immune Health

Quercetin has been studied for its role in supporting immune cell function. Bromelain may complement this by supporting a balanced immune response. Popular for seasonal wellness.

2. Provides Antioxidant Protection

Quercetin is a potent flavonoid that helps neutralize free radicals, reducing oxidative stress – a factor in normal cellular aging.

3. Supports Respiratory Health

Preliminary research suggests that quercetin may help support healthy respiratory passages. Bromelain has been studied for its role in supporting nasal and sinus comfort.

4. Supports Cardiovascular Function

Studies indicate that quercetin may help maintain healthy blood pressure levels and vascular function as part of a healthy lifestyle.

5. Aids Exercise Recovery

For active individuals, quercetin may help reduce exercise-induced oxidative stress, while bromelain supports muscle recovery.

Quality & Transparency: What’s in Our Capsules

Quality Attribute	Our Commitment
Quercetin source	Sophora japonica (flower bud) – non-GMO, gluten-free
Bromelain source	Pineapple stem – standardized to 2,400 GDU/g (enzyme activity)
3rd-Party Testing	✅ Every batch tested for quercetin potency (HPLC), bromelain activity (GDU), heavy metals (lead, mercury), and microbes (SGS/Eurofins). COA available.
Clean Label	✅ Non-GMO, gluten-free, no artificial colors or preservatives
Certifications	GMP, ISO 22000, HACCP, Halal, Kosher

Quercetin Capsule

How to Use Quercetin with Bromelain Capsules

Goal	Suggested Use	Timing
General wellness	1 capsule (500mg quercetin + 100mg bromelain) daily	With a meal
Seasonal or immune support	1-2 capsules daily	With meals, preferably morning
Pre-workout / recovery	1 capsule	30-60 minutes before exercise

Frequently Asked Questions about Quercetin Capsules

Q: Are there any side effects?

At recommended doses, quercetin is generally safe. A small number of people may experience mild headaches or digestive upset. Start with 1 capsule daily to assess tolerance.

Q: Can I take this with other medications?

Quercetin may interact with blood thinners (warfarin), antibiotics, or chemotherapy drugs. Consult your doctor before use if you take prescription medications.

Q: How long does it take to see results?

Individual responses vary. For seasonal or immune support, some users notice benefits within 1-2 weeks. For general wellness, consistent use over 4-8 weeks is recommended.

Q: Is this product vegan?

Capsule shell can be HPMC (vegan) or gelatin. Please specify your preference for OEM orders. The ingredients themselves are plant-derived.

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About us

Private Label design, fast delivery, USA Warehouse, European Warehouse, capsules factory,Softgels factory,tablets factory, pills factory, Gummies factory, Liquid Drops factory,Gum factory,solid beverage factory, customized factory, capsules manufacturer,Softgels manufacturer, tablets manufacturer, pills manufacturer, Gummies manufacturer, Liquid Drops manufacturer,Gum manufacturer,solid beverage manufacturer, customized manufacturer.

Our advantage

We possess extensive experience, handling every step from sourcing each ingredient in the formulation to post-filling inspection, all at the most competitive prices and with the fastest delivery times.

InterlGroup owns factory, Main Product Foods additives, Nutritional supplements, Healthcare Products(capsules,Softgels,tablets,Gummies,Liquid Drops,Gum,solid beverage and other customized products), plant extracts.

Support OEM&ODM service，Design label packaging, Overseas in stock, Fast customization, Drop Shipping.

Intergroup is supplying OEM service for the Well-known brands Reson and Ausreson.

Alibaba International Station No.1 supplier, Alibaba International Station Number 1, Alibaba International Station Number one.

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