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Bioflavonoid Complex

product on market Tablet or Pill Source Naturals Safety: 100/100
100/100

This product looks safe

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

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This complex contains Vitamin C and quercetin, which have strong evidence for antioxidant support. Hawthorn berry, rosemary, and silymarin provide moderate to limited evidence for supporting cardiovascular and liver health. The overall evidence coverage for this specific formulation is low.

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

Label

Product Label

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

Label Data

1 Tablet(s)
Serving Size
Other Combinations
Product Type
67%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
250 mg (417% DV)
Market median: 333.0mg (166 products) 9 studies (A:0, B:2)
Rosemary leaf extract
150 mg
100 mg
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
50 mg
Market median: 250.0mg (562 products) 55 studies (A:0, B:19)
Market median: 100.0mg (284 products) 10 studies (A:0, B:4)
Market median: 260.0mg (249 products) 158 studies (A:4, B:61)
Market median: 120.0mg (440 products) 191 studies (A:1, B:71)
Market median: 100.0mg (120 products)

Other Ingredients

Sorbitol Stearic Acid modified Cellulose Gum Silica
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: 1 tablet, 1 to 3 times daily.

Warnings & Precautions

Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Do not use if either tamper-evident seal is broken or missing.

Keep out of the reach of children.

Formulation Notes

Botanical antioxidant complex

Source Naturals bioflavonoid complex contains standardized botanical extracts with free radical scavenging properties. Often referred to as "specialty bioflavonoids", they are high quality antioxidants.

Metadata

Product Details

UPC / SKU0 21078 00988 7
DSLD Entry Date2020-02-26
Product TypeOther Combinations
FormTablet or Pill
BrandSource Naturals
DSLD ID213732
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.