Ester C Plus®

Other Combinations

Brand: Douglas Laboratories

CapsuleOther CombinationsOff Market

Product label for Ester C Plus — Click to view full label

Net Contents

250 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

250

Supplement Form

Capsule

Bar Code (UPC/SKU)

3 10539 01911 5

Product Version

Formula #7847

Label Analysis

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

6Active Ingredients

6 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Label includes a proprietary blend, so some individual amounts are not itemized.

2% Daily Value Coverage

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

1Dietary Attributes

Label states: 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

Contains

Milk
Wheat
Soy
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 per day

Ingredient	Amount Per Serving	% Daily Value
Vitamin C	540 mg	900%
Ester C	675 mg	—
Calcium	75 mg	8%
Pycnogenol	3 mg	—
Rutin N.F.	50 mg	—
Bioflavonoids	50 mg	—
Proprietary Blend {Combination}	6 mg	—
Quercetin	—	—
Echinacea	—	—
Beta-Carotene	—	—

Not Present

Other Ingredients

CelluloseGelatinVegetable Stearate

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

Label Claims

All Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Usage: As a dietary supplement, adults take 1 or more capsules daily or as directed by your healthcare professional.

Warnings & Precautions

Precautions re: Children

KEEP OUT OF REACH OF CHILDREN.

Precautions re: All Other

Tamper resistant package, do not use if outer seal is missing.

Storage

For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Formulation

Formulation re: Does NOT Contain

This product contains NO yeast, wheat, gluten, soy protein, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.

FDA Statements

FDA Statement of Identity

A Dietary Supplement

Other Label Statements

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

Ester-C and Ester-C(R) are licensed trademarks of Zila Nutraceuticals,Inc. Pycnogenol(R) is a registered trademark of Horphag Research Ltd. Use of this product may be protected by one or more U.S. patents and other international patents.

Seals/Symbols

PYCNOGENOL(R) (pine trees) NATURE'S SUPER ANTIOXIDANT

General: Product/Version Code

Formula #7847

Manufacturer & Distributor

Manufacturer

Douglas Laboratories

600 Boyce Road, Pittsburgh, PA, 15205, USA

1.800.245.4440

Market Reference

$0.79 – $104.05· 40 listings

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boulevardcompounding.com4.7(29)
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American Health Ester-C with Citrus Bioflavonoids
The Vitamin Shoppe4.8(2600)
$34.99

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 Supplement Shack
5.0 (5)
Vitamin & supplements store
2600 Middletown Cir Suite 151, Fairmont, WV 26554
Directions (304) 816-3115
GNC
4.1 (17)
Vitamin & supplements store
9642 Mall Loop Ste B, White Hall, WV 26554
Directions (304) 366-2902
Health Naturally
4.7 (26)
Vitamin & supplements store
1219 Johnson Ave Ste 103, Bridgeport, WV 26330
Directions (304) 842-4961
GNC
4.4 (17)
Vitamin & supplements store
2399 Meadowbrook Mall Rd SPC 530, Bridgeport, WV 26330
Directions (304) 842-7349
GNC
4.6 (14)
Vitamin & supplements store
1220 W Main St, Bridgeport, WV 26330
Directions (304) 842-7310

Research & Studies

Safety and tolerance of Ester-C® compared with regular ascorbic acid
J Gruenwald, HJ Graubaum, R Busch, C Bentley - Advances in therapy, 2006 - Springer
… The goal of this randomized, double-blind crossover clinical trial in 50 healthy volunteers … 1000 mg vitamin C as Ester-C during phase 1 of the study followed by 1000 mg of vitamin C as …
200626 citations
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
… of one form of vitamin C over others in improving immunity in healthy adults. However, … evidence supporting the benefits of each alternative vitamin C form, which are noteworthy. …
202516 citations
Antioxidants for Alzheimer disease: a randomized clinical trial with cerebrospinal fluid biomarker measures
…, JM Ringman, GA Jicha, C Cotman… - Archives of …, 2012 - jamanetwork.com
… Treatment with vitamin C plus a medium dose of vitamin E decreased oxidative damage … not seen with vitamin C plus a high dose of vitamin E. Treatment with vitamin E improved the …
2012477 citations
Ester C Plus 100 caps by Douglas Labs
RNR Points
Ultra Anti-Oxidant
H Rejuvenation, MW Assessment, A Stores, A Tools…
Protective effects of vitamin C, alone or in combination with vitamin A, on endotoxin-induced oxidative renal tissue damage in rats
M Kanter, O Coskun, F Armutcu, YH Uz… - The Tohoku journal of …, 2005 - jstage.jst.go.jp
… the protective effects of vitamin C and vitamin A on oxidative renal … intraperitoneal injection of vitamin A (195 mg/kg bw), vitamin C (500 … Treatment with vitamin C or with vitamins C and A …
200572 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-06-01. DSLD Label ID: 9064. 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.