🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

1 Capsule(s) Serving Size
60 Servings
Other Combinations Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

Quercefit
250 mg

Other Ingredients

Capsule

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (84% of products) Nutrient (23% of products) Qualified Health (1% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Easy-to-swallow capsule

Suggested use: Adults take one to two (1-2) capsules daily with food or as directed by your health care practitioner.

⚠️ Warnings & Precautions

Keep out of reach of children.

Do not use if safety seal on cap or printed inner seal is missing or broken.

Consult a physician if pregnant, lactating, currently on prescription medication or diagnosed with a medical condition.

Product is manufactured in a facility that processes milk, egg, soy, tree nuts, fish and shellfish.

🧪 Formulation Notes

Quercefit with enhanced Phytosome technology offering up to 20 times higher bioavailability vs. standard quercetin. Eur J Drug Metab Pharmacokinet (2018). https://dol.org/10.1007/s13318-018-0517-3

20x more bioavailability

Clincally-proven Quercefit for optimized bioavailability and solubility

Clinical potency

Made with Non-Gmo ingredients No magnesium stearate Gluten-free

Vegan formula

This product is free of: Corn, milk, salt, yeast, soy, egg, fish, added sugar, wheat, artificial flavors and preservatives.

We are committed to providing your family with additive-free formulas and superior nutrient forms in therapeutic amounts.

Additional Information

Emerald Labs is family owned and operated since our beginnings in 1996.

Doctor-formulated

Store in a cool, dry place.

Product Details

UPC / SKU 7 43650 00365 5
DSLD Entry Date 2024-02-22
Product Type Other Combinations
Form Capsule
Brand Emerald Labs
DSLD ID 302736
Data Updated 2026-04-11

Research Evidence

184 Research Sources
55 Avg Quality Score
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
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
B Dietary polyphenols and the risk of metabolic syndrome: a systematic review and meta-analysis
Meta Analysis BMC endocrine disorders 2024
B Quercetin and endurance exercise capacity: a systematic review and meta-analysis
Meta Analysis Medicine and science in sports and exercise 2011
B Dietary flavonoid intake and smoking-related cancer risk: a meta-analysis
Meta Analysis PloS one 2013
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
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
B Dietary flavonoid for preventing colorectal neoplasms.
Cochrane Review The Cochrane database of systematic reviews
B Flavonoids for treating venous leg ulcers.
Cochrane Review The Cochrane database of systematic reviews
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
View all evidence for Quercetin →

Compare Similar Products

View all Quercetin products →