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 v7
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
5 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
2 ingredients report a %DV; 1 meet or exceed 100% DV.
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(Ester-C Calcium Ascorbate) | 619 mg | 688% |
| Calcium(Ester-C Calcium Ascorbate) | 68 mg | 5% |
| Threonic Acid(Ester-C) | 7 mg | — |
| Quercetin | 50 mg | — |
| Rutin | 100 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
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.
Precautions re: All Other
Contents may not fill package in order to accommodate required labeling. Please rely on stated quantity.
Storage
Storage
Store in a cool, dry place.
Formulation
Formula re: Contains
Vitamin C enhanced with flavonoids for 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
Scan to learn about our hypoallergenic supplements
Seals/Symbols
Certified Gluten-Free by the Gluten-Free Certification Organization, www.gluten.org
Brand IP Statement(s) re: (c), (TM), (SM)
Ester-C is a registered trademark.
Manufacturer & Distributor
Manufacturer
Pure Encapsulations
490 Boston Post Road, Sudbury, MA
1-800-753-2277
Market Reference
Pure Encapsulations Ester-C & Flavonoids
Supplement First4.9(74)$48.00Pure Encapsulations Ester C Flavonoids
personalpower5.0(3)$27.50Ester C Vitamin C
Walmart4.8(517)$6.97LowestOptiFerin C Pure Encapsulations
www.pleijsalon.com5.0(49)$16.00Acerola/Flavonoid Pure Encapsulations
Pure Prescriptions4.3(7)$53.00Pure Encapsulations Liposomal 120 Capsules
Blue Sky Vitamin4.8(18)$36.00Ester-C Bio
Pure Prescriptions$40.99Pure Encapsulations Essential C & flavonoids 90 CT
Moore's Compounding Pharmacy4.7(18)$27.50
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.
GNC
3.1 (43)Vitamin & supplements store
1090 Crossroads Dr, Statesville, NC 28677
Tru Nutrition
5.0 (33)Health food store
223 N Center St, Statesville, NC 28677
Native Ceuticals Apothecary
4.9 (46)Vitamin & supplements store
118 W Broad St A, Statesville, NC 28677
Statesville Nutrition
4.1 (11)Vitamin & supplements store
608 Turnersburg Hwy suite 608, Statesville, NC 28625
Mooresville Nutrition Corner
5.0 (179)Vitamin & supplements store
591 River Hwy U, Mooresville, NC 28117
Dynamic Nutraceuticals
4.4 (7)Manufacturer
1441 Wilkesboro Hwy, Statesville, NC 28625
Lowry Drug Advanced Health and Wellness Center
4.6 (44)Vitamin & supplements store
750 Hartness Rd, Statesville, NC 28677
The Vitamin Shoppe
4.1 (101)Vitamin & supplements store
489 River Hwy D, Mooresville, NC 28117
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 citationsEncapsulating 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 citationsEnhanced 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 …
2026Liposome-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 citationsDevelopment 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 …
2026Exploring 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 2023-06-22. DSLD Label ID: 287414. 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.
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