Ester-C 500 mg®
Single Vitamin & MineralBrand: American Health
Net Contents
225 Vegetarian Tablet(s)
Serving Size
2 Vegetarian Tablet(s)
Servings Per Container
112
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
0 76630 16991 2
Product Version
Prod No. 16991 B16990 05E
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 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: Vegan, 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
- Egg
- 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 Vegetarian Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Vitamin C(Ester-C Calcium Ascorbate) | 1000 mg | 1667% |
| Calcium(Ester-C Calcium Ascorbate) | 110 mg | 11% |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: For adults, take two (2) capsules 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
Formulation re: Does NOT Contain
No Gluten, No Yeast, No Wheat, No Milk or Milk Derivatives, No Lactose, No Soy, No Egg, No Corn, No Grapefruit, No Sugar, No Starch, No Preservatives, No Artificial Color, No Artificial Flavor, No Sodium. Non-GMO.
Formulation re: Vegetarian/Vegan
Suitable for Vegans.
Formulation re: Vegetarian/Vegan
100% Vegetarian
FDA Statements
FDA Disclaimer Statement
*These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.
FDA Statement of Identity
Dietary Supplement
Other Label Statements
General: Product/Version Code
Prod No. 16991 B16990 05E
Brand IP Statement(s) re: (c), (TM), (SM)
Ester-C(R) is a breakthrough patented Vitamin C formula supported with naturally occurring metabolites.
General Statements: All Other Content
Metabolites help enhance the absorption of Vitamin C by your white blood cells, an important part of your immune system.*
Brand IP Statement(s) re: (c), (TM), (SM)
Ester-C(R) has a neutral pH, making it non-acidic and gentle on the stomach.* In a daily 1,000 mg dose, Ester-C(R) delivers 24-hour immune support...so once a day is all you need.*
General Statements: All Other Content
ACTUAL SIZE
General Statements: All Other Content
Non-Acidic
General Statements: All Other Content
Gentle and Non-Acidic Patented Vitamin C Formula
Seals/Symbols
24-HOUR(TM) IMMUNE SUPPORT*
Brand IP Statement(s) re: (c), (TM), (SM)
Ester-C(R) and Ester-C(R) are licensed TMs of The Ester C Company. U.S. Pat. Nos. 6,197,813 and 6,878,744.
Brand IP Statement(s) re: (c), (TM), (SM)
(C) 2012 American Health, Inc.
Manufacturer & Distributor
Manufacturer
American Health, Inc.
Ronkonkoma, NY, 11779, U.S.A.
866-646-8576
Market Reference
American Health Ester C with Citrus Bioflavonoids
Vitacost.com4.8(3600)$34.99American Health Ester C With Citrus Bioflavonoids
Vitacost.com4.9(6200)$25.89American Health Ester-C with Citrus Bioflavonoids
Vitacost.com4.9(6200)$15.39AMERICAN HEALTH Ester-C 500 mg 120 Capsules
Vitacost.com4.9(2000)$13.29Ester C Vitamin C
Walmart4.8(517)$6.97AMERICAN HEALTH Ester C 500MG CTRS
Pronto Home Delivery4.8(17)$25.29American Health Ester-C 500 mg Vegetarian Tablets 450 CT
The Vitamin Shoppe$43.99American Health Super Acerola Plus Chewable Wafers
Instacart4.8(73)$14.09
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
4.3 (108)Vitamin & supplements store
300 Commerce Blvd #110, Stroudsburg, PA 18360
Nature's Technology
4.9 (108)Herbal medicine store
756 Main St, Stroudsburg, PA 18360
CVS
2.8 (140)Vitamin & supplements store
250 S Courtland St, East Stroudsburg, PA 18301
Walgreens
3.4 (97)Vitamin & supplements store
1009 N 9th St, Stroudsburg, PA 18360
Stroud Compounding & Wellness Drugstore
4.5 (64)Pharmacy
1619 N 9th St Suite 3, Stroudsburg, PA 18360
The Vitamin Shoppe
4.6 (101)Vitamin & supplements store
3862 Dryland Way, Easton, PA 18045
Walmart Supercenter
3.8 (7696)Department store
355 Lincoln Ave, East Stroudsburg, PA 18301
PowerVault
Vitamin & supplements store
232 Northslope II Rd, East Stroudsburg, PA 18302
Research & Studies
Comparison of the absorption and excretion of three commercially available sources of vitamin C
CS Johnston, B Luo - Journal of the American Dietetic Association, 1994 - jandonline.org
… 500 mg vitamin C per tablet as specified by the manufacturers, were purchased from local health and … Our results have economic implications—tablets of Ester-C and ascorbic acid with …
199458 citationsEnhanced 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
… C alternative to conventional ascorbic acid include Ester C ® , which is a combination of … , 1, 1.5, 2, 3, 4, 6, 8, 12, and 24 h after ingestion of a single 500 mg dose of each form. Both …
202520 citationsVitamin C with metabolites reduce oxalate levels compared to ascorbic acid: A preliminary and novel clinical urologic finding.
MA Moyad, MA Combs, DC Crowley… - Urologic …, 2009 - search.ebscohost.com
… vitamin C with metabolites (Ester- C®) significantly reduced urine … The financial impact of kidney stones on the US health care … form of tablets, each containing 500 mg vitamin C, as confi …
200932 citationsEster C® Has Four Times the Bioavailability of Regular Vitamin C
I Gentler - healingedge.net
… (2-4) Since Ester C is absorbed more readily and excreted less rapidly and it increases … acid,(1-7) the 500 mg. of vitamin C in Ester C Caps is equal to 2000 mg. in vitamin C activity. …
Determination of plasma and leukocyte vitamin C concentrations in a randomized, double-blind, placebo-controlled trial with Ester-C®
SH Mitmesser, Q Ye, M Evans, M Combs - Springerplus, 2016 - Springer
… 1000 mg (two tablets, each tablet contained 500 mg … , Ester-C ® versus placebo; **P = 0.007, Ester-C ® versus placebo; † P < 0.001, within-group change from baseline for both Ester-C …
201663 citationsEffect of vitamin C supplementation on lipid peroxidation and lactate levels in individuals performing exhaustion exercise
S Patlar, A BALTACI, R MOĞULKOÇ… - Annals of Applied Sport …, 2017 - avesis.gazi.edu.tr
… They were supplemented with 300 mg oral vitamin C (L-ascorbic acid, Ester-C Plus 500 mg, Solgar-USA) and subjected to acute exhaustion exercise by fatigue developed one time a …
20175 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-08-23. DSLD Label ID: 16941. 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.
Related Products

100% Natural E-400 IU With Selenium 50 mcg
Vitamin World

600+D
Caltrate

600+D
Caltrate

600+D3
21st Century