Citrus Bioflavonoids
90/100
This product looks safe
- Contains proprietary blend — exact ingredient amounts not disclosed
- 25% of ingredients have research evidence
B
Label Compliance Grade
Product Label
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Safety Alerts
ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed
Label Data
2 Tablet(s)
Serving Size
45
Servings
Other Combinations
Product Type
25%
Evidence Coverage
Supplement Facts — Evidence Check
Vitamin C
1000 mg
(1111% DV)
Calcium
180 mg
(14% DV)
140 mg
(11% DV)
✅ Within RDA (0.2× RDA of 700 mg)
📚 12 studies (Tier A: 0, B: 3)
Proprietary Blend
525 mg
Other Ingredients
Stearic Acid
Cellulose
Vegetable Magnesium Stearate
Label Claims — Verification
❓
Nutrient
❓
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
Adult (18 - 50 Years)
Kosher
Product Information
📋 Directions for Use
Recommended Use: Take 2 tablets daily with a meal.
⚠️ Warnings & Precautions
Do not use if inner seal is missing or damaged.
🧪 Formulation Notes
We source the world's purest ingredients, no matter where they are grown, to ensure the active nutrients are delivered just as nature intended.
General nutrition support
Citrus Bioflavonoids with herbal extract Provides 500 mg of Vitamin C per tablet
Guaranteed pure
Additional Information
Bottle made from 100% post consumer recycled material. We are committed to you and our planet. Scan to learn more.
Ko Pareve (Kosher)
New look! Same great product
Herbal experts since 1972
Product Details
UPC / SKU
0 99904 01646 0
DSLD Entry Date
2021-09-24
Product Type
Other Combinations
Form
Tablet or Pill
Brand
Nature's Sunshine
DSLD ID
255224
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
B
Effects of quercetin supplementation on lipid profile: A systematic review and meta-analysis of randomized controlled trials
B
Dietary polyphenols and the risk of metabolic syndrome: a systematic review and meta-analysis
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
B
A Systematic Review: Quercetin-Secondary Metabolite of the Flavonol Class, with Multiple Health Benefits and Low Bioavailability
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