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Quercetin (98% + Pure Extract)

product on market Powder Samsara Herbs Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Quercetin is a flavonoid with moderate evidence supporting its role as an antioxidant and its ability to modulate inflammatory responses. Research indicates it may help stabilize mast cells to reduce allergic reactions. Due to limited evidence coverage for this specific formulation, the overall clinical impact remains modestly documented.

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

Label

Product Label

Label for Quercetin (98% + Pure Extract)
Open Full PDF View on NIH DSLD →
Details

Label Data

1177 mg
Serving Size
48
Servings
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

1177 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Our water soluble herbal extracts are best mixed in juice or a smoothie, although mixing in water is perfectly fine if you can tolerate the taste.

Suggested Use: Take 1 scoop 1-3 times per day or as recommended by your health care professional.

Warnings & Precautions

Caution: If you have a medical condition, are pregnant or taking medications, consult your health care professional before using this product.

Keep out of reach of children.

Formulation Notes

Standardized

Standardized herbal extracts contain isolated herbal compounds, in guaranteed amounts. Often having the prevalent compound found in an herb, in a significantly higher concentration than found in nature.

Description Quercetin is a herbal derived substance that belongs to a group of plant pigments called flavonoids. Flavonoids, such as quercetin, are powerful antioxidants. They are believed to scavenge particles in the body known as free radicals. Our water soluble herbal extracts are best mixed in juice or a smoothie, although mixing in water is perfectly fine if you can tolerate the taste.

Additional Information

GMP Good Manufacturing Practice USA Tested 3rd party USA tested

About Us At Samsara Herbs, we believe that all positive change in the world must first begin with positive change from within. We invite you to tap into your own infinite power through the use of our potent herbal extracts! We seek out only quality herbs from our trusted sources from around the world for use in our herbal extracts. Samsara Herbs, dedicated to empowering your life force!

Storage Cool dry place, out of direct sunlight.

Metadata

Product Details

UPC / SKUX0016DEVW9
DSLD Entry Date2024-11-22
Product TypeNon-Nutrient/Non-Botanical
FormPowder
DSLD ID319983
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
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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.