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Quercetin Complex

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

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Quercetin and Vitamin C are supported by moderate evidence for antioxidant and immune support. Bromelain and Nettle Leaf Extract are used for inflammatory response, though clinical evidence for these specific botanical extracts is more limited. The overall ingredient profile maintains a high safety rating.

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

Label

Product Label

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

Label Data

1 Capsule(s)
Serving Size
90
Servings
Other Combinations
Product Type
25%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
90 mg (113% DV)
900 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Nettle Leaf Extract
150 mg
54 mg
Market median: 200.0mg (136 products) 3 studies — no high-quality reviews

Other Ingredients

Quercetin Hydroxypropyl Methylcellulose Bromelain Microcrystalline Cellulose Nettle Leaf Extract Vitamin C Ascorbyl Palmitate Rice
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: 1 capsule taken 3 times daily with food, or as professionally directed.

Warnings & Precautions

This product should not be used as a substitute for a varied diet and healthy lifestyle. Do not exceed the stated recommended daily intake. Do not purchase if the seal is broken. If you are under medical supervision, please consult a doctor before use.

Keep out of reach of children.

Caution is advised with anti-coagulant medication. Not suitable for use during planned pregnancy, pregnancy, or breastfeeding.

Formulation Notes

Vegetarian & vegan

Vitamin C contributes to the normal function of the immune system and to the protection of cells from oxidative stress.

Nutrient complex with quercetin, bromelain, nettle & vitamin C

Additional Information

Store in a cool, dry place.

For best before and batch, see base.

NRV = Nutrient Reference Value

Metadata

Product Details

UPC / SKU5 033290 260903
DSLD Entry Date2025-07-24
Product TypeOther Combinations
FormCapsule
BrandBioCare
DSLD ID336069
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.