Ester-C 24 Hour Immune Support 500 mgnone
Other CombinationsBrand: NatureSmart
Functions
Net Contents
60 Vegetarian Coated Tablet(s)
Serving Size
2 Tablet(s)
Servings Per Container
30
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
0 25077 16970 2
Product Version
Prod No. 56021 03C B16970 Label Part No. 12117
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
3 distinct active ingredients are disclosed in Supplement Facts.
Label includes a proprietary blend, so some individual amounts are not itemized.
2 ingredients report a %DV; 1 meet or exceed 100% DV.
Label states: Vegetarian, 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
- Milk
- Fish
- 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: 2 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Vitamin C(Ester-C Calcium Ascorbate) | 1000 mg | 1111% |
| Calcium(Ester-C Calcium Ascorbate) | 110 mg | 8% |
| C-Sorb Citrus Bioflavonoid Complex | 204 mg | — |
| Citrus Bioflavonoid Complex(Citrus spp.) | — | — |
| sweet Orange | — | — |
| Tangerine | — | — |
| Lime | — | — |
| Lemon | — | — |
| Acerola extract | — | — |
| Rutin | — | — |
| Hesperidin Complex(Citrus spp.) | — | — |
| naturally occurring Vitamin C Metabolites | — | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: For adults, take two (2) tablets once daily, preferably with a meal.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.
Precautions re: All Other
Discontinue use and consult your doctor if any adverse reactions occur.
Precautions re: Children
Keep out of reach of children.
Precautions re: All Other
Do not use if seal under cap is broken or missing.
Storage
Storage
Store at room temperature.
Formulation
Formula re: Contains
Ester-C Vitamin C is clinically shown to last longer than regular vitamin C. That's because Ester-C Vitamin C is carefully formulated to contain vitamin C metabolites, the same metabolites that are naturally produced by your body and help enhance the retention of Vitamin C by your white blood cells, a vital part of your immune system. So once you take your daily dose of Ester-C Vitamin C, it gets into your white blood cells, and stays there - for up to 24 hours. Vitamin C also contributes to the health of your upper respiratory tract, plus, Ester-C Vitamin C is manufactured without chemicals to neutralize pH, which means it's non-acidic and gentle on your stomach.
Formulation re: Does NOT Contain
Vitamin C also contributes to the health of your upper respiratory tract, plus, Ester-C Vitamin C is manufactured without chemicals to neutralize pH, which means it's non-acidic and gentle on your stomach.
Formulation re: Does NOT Contain
Non-gmo. No gluten, no wheat, no milk, no lactose, no artificial color, flavor or sweetener, no sugar, no starch, no soy, no yeast, no fish. Sodium free.
Formulation re: Vegetarian/Vegan
Suitable for Vegetarians.
Formulation re: Other
Supports upper respiratory health
Formulation re: Does NOT Contain
Non GMO
Formula re: Contains
Clinically studied Vitamin C
Formulation re: Other
Stomach friendly
FDA Statements
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
FDA Statement of Identity
Dietary Supplement
Other Label Statements
General Statements: All Other Content
Ester-C is the kind of support you can count on 24/7!
Brand IP Statement(s) re: (c), (TM), (SM)
Ester-C, and Ester-C and The Better Vitamin C are registered trademarks of The Ester C Company. Copyright 2020 NatureSmart, LLC
General Statements: All Other Content
Call toll free 1-866-417-0739 with questions or comments, Mon.-Sat., 9am-7pm EST.
Seals/Symbols
Made in the USA with select ingredients from around the world
Brand IP Statement(s) re: (c), (TM), (SM)
Ester-C The better Vitamin C
Manufacturer & Distributor
Manufacturer
NatureSmart, LLC
Bohemia, NY, 11716, USA
1-866-417-0739
Market Reference
Ester-C Vitamin C Immune Support Tablets
Walmart4.8(517)$6.97LowestAmerican Health Ester C with Citrus Bioflavonoids
Natures Food Markets4.9(6200)$8.99Ester-C 500 mg Coated Tablets (60 ct)
Inman Pharmacy4.8(167)$9.39Ester-c 500 mg Coated Tablets
Walmart - Mayrip LLC4.8(23)$27.99American Health Ester C Capsules
eBay - mycrazys_184.9(1400)$17.59AMERICAN HEALTH Ester-C 500 mg 120 Capsules
Vitacost.com4.9(2000)$13.29American Health Ester-C Immune Support, 24 Hour, 500 mg, Vegetarian Coated Tablets
Instacart$9.09Ester-c 500 mg Coated Tablets (Pack of 4)
Walmart - Wisermerchant4.8(23)$45.76
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.
Holland & Barrett - Falkirk
3.7 (20)Vitamin & Supplements Shop
45 High St, Falkirk FK1 1ES
Holland & Barrett - Stirling
4.3 (15)Vitamin & Supplements Shop
Stirling Thistle Marches Shopping Centre, Port St, Stirling FK8 2ED
Holland & Barrett - Tillicoultry
4.2 (5)Vitamin & Supplements Shop
Moss Road Sterling Mills Designer Outlet, M2B, Tillicoultry FK13 6NS
Betterbodies Falkirk
4.9 (27)Sports Nutrition Shop
46 Grahams Rd, Falkirk FK1 1HR
Stirling Health Food Store
4.6 (33)Vitamin & Supplements Shop
29 Dumbarton Rd, Stirling FK8 2LQ
Monster Lab Nutrition
4.8 (28)Vitamin & Supplements Shop
115 Townhead, Kirkintilloch, Glasgow G66 1NX
NewGen Organic Supplements
Health consultant
67 Lumley St, Grangemouth FK3 8BN
Just Herbs Scotland - Just Herbs for a just world
5.0 (2)Vitamin & Supplements Shop
62 George St, Bathgate EH48 1PD
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
… to conventional ascorbic acid include Ester C ® , which is a … after ingestion of a single 500 mg dose of each form. Both … 24 h post-dosing supports the understanding that vitamin C …
202520 citationsSelect dietary supplement ingredients for preserving and protecting the immune system in healthy individuals: A systematic review
C Crawford, LVL Brown, RB Costello, PA Deuster - Nutrients, 2022 - mdpi.com
… used in doses up to 1200 mg daily for 2 weeks or up to 500 mg daily for up to 6 months in … participants were asked to take 1g/day of Ester-C ascorbate, [28] ascorbic acid prepared by …
202241 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-10-24. DSLD Label ID: 277269. 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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