Price: $23.75 - $14.97
(as of Nov 10, 2025 13:00:48 UTC – Details)


Ester-C is a breakthrough patented Vitamin C formula supported with naturally occurring metabolites. Metabolites help enhance the absorption of Vitamin C by your white blood cells, an important part of your immune system.(1) Ester-C’s unique, chemical-free manufacturing process neutralizes pH, making it non-acidic and gentle on the stomach.(1) In a daily 1,000 mg dose, Ester-C delivers 24-hour immune support…so once a day is all you need.(1) Added Citrus Bioflavonoids may help your body better absorb and utilize Vitamin C.(1) (1) 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.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 5.5 x 3 x 3 inches; 7.36 ounces
Item model number ‏ : ‎ 56027
Date First Available ‏ : ‎ February 2, 2008
Manufacturer ‏ : ‎ Nature’s Bounty
ASIN ‏ : ‎ B0013FYHSW
Best Sellers Rank: #2,620 in Health & Household (See Top 100 in Health & Household) #24 in Vitamin C Supplements #393 in Sales & Deals
Customer Reviews: 4.7 4.7 out of 5 stars 19,793 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Ester-C tablets give you immune system support at the cellular level for up to 24 hours to maintain a healthy immune system (1); Ester-C is non-acidic and gentle on your stomach so you can comfortably take it every day
Ester-C tablets give your immune system the support it needs while also providing your body with antioxidant vitamin C to help fight free radicals (1); One tablet a day can give your body the immune support it needs 24/7 (1)
Ester-C also contains C-Sorb which is a citrus bioflavonoids complex; Ester-C along with C-Sorb & naturally occurring metabolites works synergistically to enhance the retention of Vitamin C in your body to support your immune system for 24 hours (1)
Ester-C 1000mg tablets provide the immune support you can count on all day every day (1); A daily dose of Ester-C tablets gets absorbed into your white blood cells and stays there for up to 24 hours which is longer than regular Vitamin C supplements (1)
Ester-C is manufactured without chemicals to neutralize pH which means it’s non-acidic & gentle on your stomach (1)