Ester-C & Flavonoids®

Other Combinations

Brand: Pure Encapsulations

CapsuleOther CombinationsOff Market

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

Net Contents

180 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

180

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 66298 01778 5

Product Version

code: ECF21 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.

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

Supplement Facts

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

Ingredient	Amount Per Serving	% Daily Value
Vitamin C(Calcium Ascorbate Blend)	619 mg	1032%
Calcium(Calcium Ascorbate)	68 mg	7%
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)

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: All Other

Tamper Resistant: Use only if safety seal is intact.

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.

Storage

Store sealed in a cool dry area

Formulation

Formulation re: Does NOT Contain

Commitment to Quality Program Sourced and manufactured to avoid: Artificial additives Allergens GMOs Environmental contaminants Added excipients www.PureEncapsulations.com/QualityControl See supplement facts for specific product details

Formula re: Contains

unique vitamin C support enhanced with bioflavonoids

Formulation re: Other

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

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: ECF21

Manufacturer & Distributor

Manufacturer

Pure Encapsulations, Inc.

Sudbury, MA, USA

1-800-753-2277

Market Reference

$8.04 – $129.00· 40 listings

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Ester C Vitamin C
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Pure Encapsulations Acerola / Flavonoid
Pure Prescriptions5.0(3)
$53.00
Ester-C
SFI Health
$30.99
Pure Encapsulations Liposomal 120 Capsules
www.pleijsalon.com4.8(18)
$34.50

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.

Eva's Health Supplements & Daily Essentials
5.0 (767)
Vitamin & supplements store
3350 Park Ave, Wantagh, NY 11793
Directions (347) 653-9837
Forte Naturals
5.0 (26)
Vitamin & supplements store
1020 Alton Rd, Miami Beach, FL 33139
Directions (786) 818-3100
Solutions 4 Health
4.9 (78)
Vitamin & supplements store
165B Swedesford Rd, Wayne, PA 19087
Directions (610) 293-2324
Holly Hill Health Foods, Inc.
4.7 (160)
Vitamin & supplements store
1200 Welsh Rd Ste N, North Wales, PA 19454
Directions (215) 361-7770
Supplement Superstore
5.0 (1389)
Vitamin & supplements store
8420 Eager Rd, St. Louis, MO 63144
Directions (314) 961-3935
The Vitamin Shoppe
4.2 (136)
Vitamin & supplements store
2705 N Elston Ave, Chicago, IL 60647
Directions (773) 235-8370
Healthquest Vitamins
3.8 (35)
Vitamin & supplements store
565 Jericho Tpke #102, Syosset, NY 11791
Directions (516) 802-5400
NutriVita Suplementos
4.7 (51)
Vitamin & supplements store
168 SE 1st St #502a, Miami, FL 33131
Directions (305) 505-3832

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: 184256. 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.