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Quercetin & Bromelain

product on market Capsule Swanson Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Quercetin and bromelain are researched for their potential to modulate inflammatory responses and support respiratory health. Evidence for these effects is generally considered limited to moderate in human trials. Both ingredients are typically well-tolerated, though clinical data for this specific combination remains sparse.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Quercetin & Bromelain
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
125
Servings
Non-Nutrient/Non-Botanical
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

500 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
156 mg
Market median: 200.0mg (136 products) 3 studies — no high-quality reviews

Other Ingredients

Rice Flour Gelatin Maltodextrin Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: As a dietary supplement, take two capsules two to three times per day with water on an empty stomach or as recommended by your healthcare provider.

Warnings & Precautions

Warning: For adults only.

Consult your physician before using this or any product if you are pregnant or nursing, taking medication, or if you have a medical condition.

Keep out of reach of children.

Do not use if seal is broken.

Additional Information

Enzyme and antioxidant flavonoid to support healthy respiratory function Supports healthy seasonal immune system function Provides protection against free radical damage Science-Backed Quality Since 1969

Store in a cool, dry place.

Respiratory Health Advanced formula

SW733 Rev 0 03 05 18

Metadata

Product Details

UPC / SKU0 87614 01733 4
DSLD Entry Date2019-02-25
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
BrandSwanson
DSLD ID187496
Data Updated2026-04-11
Research

Research Evidence

184
Research Sources
55
Avg Quality
91
Systematic Review
75
Meta Analysis
7
Rct
7
Clinical Trial
2
Cochrane Review
1
Openfda Safety
B Treatment of gouty arthritis with traditional Chinese medicine decoction: Meta-analysis, network pharmacology analysis, and molecular docking
Meta Analysis Medicine 2024 PubMed DOI
B Effects of quercetin supplementation on lipid profile: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2017 PubMed
B Dietary polyphenols and the risk of metabolic syndrome: a systematic review and meta-analysis
Meta Analysis BMC endocrine disorders 2024 PubMed DOI
B Quercetin and endurance exercise capacity: a systematic review and meta-analysis
Meta Analysis Medicine and science in sports and exercise 2011 PubMed DOI
B Dietary flavonoid intake and smoking-related cancer risk: a meta-analysis
Meta Analysis PloS one 2013 PubMed DOI
B Clinical efficacy evaluation and potential mechanism prediction on Guizhi-Shaoyao-Zhimu decoction in the treatment of gouty arthritis based on meta-analysis, network pharmacology analysis, and molecular docking
Meta Analysis Medicine 2023 PubMed DOI
B A Systematic Review: Quercetin-Secondary Metabolite of the Flavonol Class, with Multiple Health Benefits and Low Bioavailability
Systematic Review International journal of molecular sciences 2024 PubMed DOI
B Dietary flavonoid for preventing colorectal neoplasms.
Cochrane Review The Cochrane database of systematic reviews PubMed DOI
B Flavonoids for treating venous leg ulcers.
Cochrane Review The Cochrane database of systematic reviews PubMed DOI
B The effects of quercetin supplementation on lipid profiles and inflammatory markers among patients with metabolic syndrome and related disorders: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2020 PubMed DOI
View all evidence for Quercetin →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.