🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 67% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

1 Vegetable Capsule(s) Serving Size
60 Servings
Other Combinations Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

100 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 100mg
75 mg
📊 Market median: 260.0mg (249 products) 📚 156 studies (Tier A: 4, B: 61)
This product: 75mg
📊 Market median: 100.0mg (284 products) 📚 10 studies (Tier A: 0, B: 4)
This product: 50mg
Japanese Knotweed root extract
50 mg
10 mg
📊 Market median: 167.0mg (311 products) 📚 182 studies (Tier A: 0, B: 65)
This product: 10mg
Grape Skin Extract
30 mg
📊 Market median: 120.0mg (440 products) 📚 187 studies (Tier A: 1, B: 71)
This product: 20mg
Oligopin
10 mg
10 mg
📊 Market median: 250.0mg (562 products) 📚 53 studies (Tier A: 0, B: 19)
This product: 10mg

Other Ingredients

Hydroxypropyl Methylcellulose Rice Flour Monostearin

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) Dairy Free Sugar Free

Product Information

📋 Directions for Use

Suggested Use: One vegetable capsule twixw daily with meals, or more, as directed by a health care professional.

⚠️ Warnings & Precautions

Sold only for dispensing by a licensed health professional.

Pregnant and/or lactating women should consult their physician prior to use.

Tamper evident band around cap and seal on bottle. Do not use if either seal is broken or missing.

Keep out of the reach of children.

🧪 Formulation Notes

Contains no yeast, wheat, corn, sugar, soy, dairy/animal products, artificial color or flavorings.

Progressive Laboratories manufactured this product in its 3rd party GMP-inspected facility. (Good Manufacturing Practices)

Flavonoid antioxidant complex with Resveratrol

Additional Information

GMP Good Manufacturing Practice Certified GMP Compliant 21 CFR 111

Product Details

UPC / SKU 3 51821 00898 1
DSLD Entry Date 2022-06-16
Product Type Other Combinations
Form Capsule
DSLD ID 263132
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 →

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