Ester-C & Flavonoids®

Other Combinations

Brand: Pure Encapsulations

CapsuleOther CombinationsOff Market

Product label for Ester-C & Flavonoids — Click to view full label

Net Contents

90 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 66298 01668 9

Product Version

code: ECF29 v2

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

5Active Ingredients

5 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

2% Daily Value Coverage

2 ingredients report a %DV; 1 meet or exceed 100% DV.

2Dietary Attributes

Label states: Non-GMO, Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Free From

Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1 Capsule(s) · 1–2 per day

Ingredient	Amount Per Serving	% Daily Value
Vitamin C(Calcium Ascorbate Blend)	619 mg	688%
Calcium(Calcium Ascorbate)	68 mg	5%
Threonic Acid(Calcium Ascorbate Blend)	7 mg	—
Quercetin	50 mg	—
Rutin	100 mg	—

Not Present

Other Ingredients

Vegetarian CapsuleAscorbyl Palmitate

Target Groups

Adult (18 - 50 Years)Gluten Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Recommendations: As a dietary supplement, take 1 capsule, 1–2 times daily, with or between meals.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: If you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use.

Precautions re: Children

Keep out of the reach of children.

Precautions re: All Other

Use only if safety seal is intact.

Storage

Store in a cool, dry place.

Formulation

Formulation re: Does NOT Contain

Certified Gluten-Free by the Gluten-Free Certification Organization, www.gluten.org

Formula re: Contains

Unique vitamin C enhanced with flavonoids; Antioxidant, immune, and vascular support

Formulation re: Does NOT Contain

Gluten-free, Non-GMO & Hypoallergenic

Formulation re: Other

Gluten-free, Non-GMO & Hypoallergenic

FDA Statements

FDA Statement of Identity

Dietary Supplement

FDA Disclaimer Statement

This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Other Label Statements

General Statements: All Other Content

Contents may not fill package in order to accommodate required labeling. Please rely on stated quantity.

General Statements: All Other Content

Scan to learn about our hypoallergenic supplements

Seals/Symbols

Brand IP Statement(s) re: (c), (TM), (SM)

Ester-C and Ester-C are trademarks of The Ester C Company. US Patent Nos. 6,878,744 and 6,197,813, and other international patents.

General: Product/Version Code

v2 code: ECF29

Manufacturer & Distributor

Manufacturer

Pure Encapsulations

490 Boston Post Road, Sudbury, MA

1-800-753-2277

Market Reference

$16.00 – $180.00· 40 listings

Pure Encapsulations Ester-C & Flavonoids
Professional Supplement Center4.9(74)
$26.99
Pure Encapsulations Ester C Flavonoids
personalpower5.0(3)
$27.50
Acerola/Flavonoid Pure Encapsulations
Target4.3(7)
$56.00
Ester-C Bio
Pure Prescriptions
$40.99
American Health Ester C With Citrus Bioflavonoids
Life Extension4.9(6200)
$22.49
Pure Encapsulations Chewables Tablets
Target4.2(18)
$34.50
OptiFerin C Pure Encapsulations
Pure Prescriptions5.0(49)
$16.00Lowest
Pure Encapsulations Liposomal 120 Capsules
Walmart - Pattern4.8(18)
$36.00

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

The Vitamin Shoppe
4.5 (180)
Vitamin & supplements store
3391 Berlin Tpke, Newington, CT 06111
Directions (860) 594-8634
World Of Nutrition Inc
4.9 (26)
Vitamin & supplements store
200 Market Square, Newington, CT 06111
Directions (860) 666-6863
Infinity Nutrition
4.6 (28)
Health food store
91 Broad St, New Britain, CT 06053
Directions (203) 419-8053
SuppLife Vitamins & Nutrition
4.9 (103)
Vitamin & supplements store
1235 Farmington Ave, Bristol, CT 06010
Directions (860) 485-5244
Vital Nutrients
4.7 (81)
Vitamin & supplements store
45 Kenneth Dooley Dr, Middletown, CT 06457
Directions (888) 328-9992
Supplife Wethersfield
4.9 (60)
Vitamin & supplements store
1289 Silas Deane Hwy, Wethersfield, CT 06109
Directions (860) 500-7613
GNC
4.3 (55)
Vitamin & supplements store
500 W Farms Mall Spc 113, Farmington, CT 06032
Directions (860) 561-5328
Rauw Supplements
Vitamin & supplements store
P.O.Box 522, East Berlin, CT 06023
Directions (866) 742-6266

Research & Studies

Enhanced Vitamin C delivery: A systematic literature review assessing the efficacy and safety of alternative supplement forms in healthy adults
PC Calder, RB Kreider, DL McKay - Nutrients, 2025 - mdpi.com
… Commercially available oral supplemental forms of vitamin C alternative to conventional ascorbic acid include Ester C ® , which is a combination of calcium ascorbate and vitamin C …
202520 citations
Encapsulating Calendula arvensis (Vaill.) L. Florets: UHPLC-HRMS Insights into Bioactive Compounds Preservation and Oral Bioaccessibility
M Fiorentino, S Piccolella, C Gravina, A Stinca… - Molecules, 2022 - mdpi.com
… of famine or for health purposes, today … ester C=O groups. In the FE-MD spectrum the decrease and broadening of these peaks (labeled by green arrows) highlighted the encapsulation …
202214 citations
Enhanced Renoprotective Effects of Morin-Loaded PLGA Nanoparticles Against Arsenic-Induced Kidney Injury in Rats: Amelioration of Oxidative Stress …
AS Aldaghmi, EM Elmorsy, F Alshammari, A Duhduh… - Pharmaceuticals, 2026 - mdpi.com
… The ester C=O peak of PLGA remained at 1755 cm −1 , whereas the morin C=O band at 1660 cm −1 showed a slight shift, suggesting weak non-covalent interactions with PLGA without …
2026
Liposome-based encapsulation of extract from wild thyme (Thymus serpyllum L.) tea processing residues for delivery of polyphenols
AA Jovanović, B Balanč, PM Petrović, N Čutović… - Foods, 2025 - technorep.tmf.bg.ac.rs
… are attributed to the stretching vibrations of ester C=O groups and overlapping O–H deformation with C=C stretching in unsaturated fatty acid residues, respectively. Vibrational bands in …
202510 citations
Development of polymeric guar gum-coated nano-nutriosomes for improved stability, controlled release, and cellular uptake for neohesperidin encapsulation
B Paul, L Xie, AK Rashwan, ZO Yahia, Q Liu… - International Journal of …, 2026 - Elsevier
… The strong absorption peak near 1740 cm −1 represents ester C double bond O stretching, implying a lipid-based structure of NS, whereas the 1648–1645 cm −1 region corresponds to …
2026
Exploring antibacterial ethyl cinnamate/cyclodextrin inclusion complex electrospun nanofibers
S Siva, V Meenatchi, GA Bodkhe, M Kim - Journal of Molecular Liquids, 2025 - Elsevier
Ethyl cinnamate (EC), a natural ester from Cinnamomum essential oils, possesses excellent biological activities but faces challenges in bioavailability owing to poor water solubility. …
202511 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-01-07. DSLD Label ID: 184788. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.