Ester-C 500 Plus Bioflavonoids
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 17% of ingredients have research evidence
B
Label Compliance Grade
Product Label
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Label Data
1 Caplet(s)
Serving Size
Other Combinations
Product Type
17%
Evidence Coverage
Supplement Facts — Evidence Check
Vitamin C
500 mg
(833% DV)
Calcium
50 mg
(5% DV)
250 mg
📊 Market median: 500.0mg (283 products)
📚 173 studies (Tier A: 0, B: 62)
Flavonols
63 mg
Flavones
8 mg
Other Ingredients
Vegetable Cellulose
Stearic Acid
Magnesium Stearate
Silica
Vegetable Glaze
Label Claims — Verification
❓
Nutrient
❓
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)
Kosher
Gluten Free
Dairy Free
Sugar Free
Product Information
📋 Directions for Use
Directions: As a dietary supplement take one caplet daily or as directed.
🧪 Formulation Notes
Bluebonnet's Ester-C 500 mg. Plus Bioflavonoids caplets contain buffered Ester-C plus citrus bioflavonoids from fresh oranges, lemons, tangerines, grapefruits and limes. Also providing hesperidin and other flavonols.
Free of milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat and soybeans. Also free of yeast, gluten, barley, rice, sodium and sugar.
Bluebonnet's KOF-K Kosher certification #K-0000700
High potency Vitamin C
Additional Information
Available in easy-to-swallow caplets for maximum assimilation and absorption.
K Parve
Product Details
UPC / SKU
7 43715 00501 3
DSLD Entry Date
2011-12-23
Product Type
Other Combinations
Form
Other (e.g. tea bag)
Brand
Bluebonnet
DSLD ID
3208
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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