Ester-C
by American Health · tablet or pill · 90 vegetarian tablets
- Off the market since March 2021 (NIH)
- UPC 0 76630 16971 4
- DSLD label 60426
- Serving 2 vegetarian tablets
- 45 servings
Ester-C by American Health lists 11 ingredients, 3 with an amount per serving of 2 vegetarian tablets, such as 1,000 mg of vitamin C, 110 mg of calcium and 400 mg of citrus bioflavonoids complex; 8 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on June 24, 2016.
What is in Ester-C?
Each row as the label prints it, per serving of 2 vegetarian tablets. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Vitamin Cas Ester-C Calcium AscorbateVitamin C (Form: as Ester-C Calcium Ascorbate) | 1,000 mg | 1,667% | Higher than 91% of 18,583 products listing vitamin C (median 100 mg). |
| Calciumas Ester-C Calcium AscorbateCalcium (Form: as Ester-C Calcium Ascorbate) | 110 mg | 11% | 51% of 17,831 products listing calcium give more (median 115 mg). |
| Citrus Bioflavonoids Complex | 400 mg | Higher than 93% of 2,343 products listing flavonoid (median 50 mg). | |
| Citrus Bioflavonoids | no amount given | ||
| sweet Orange | no amount given | ||
| Tangerine | no amount given | ||
| Lime | no amount given | ||
| Lemon | no amount given | ||
| Acerola extract | no amount given | ||
| Rutin | no amount given | ||
| Hesperidin Complexas Citrus spp. | no amount given | ||
| naturally occurring Vitamin C Metabolites | no amount given |
Source: NIH ODS Dietary Supplement Label Database, label 60426 (entered June 24, 2016), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- Its 1,000 mg of vitamin C is higher than 91% of the 18,583 vitamin C products that print an amount; 445 list more.
- Its 400 mg of citrus bioflavonoids complex (filed by NIH under flavonoid) is higher than 93% of the 2,343 flavonoid products that print an amount; 139 list more.
The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
5 products list the very same ingredients; the nearest amounts come first.
- Vitamin C 1000 mgSpring Valley same ingredients
- Ester-C 24 Hour Immune Support 500 mgNatureSmart same ingredients
- Ester-C 24 Hour Immune Support 1000 mgNatureSmart same ingredients
- Ester-C 24 Hour Immune SupportNatureSmart same ingredients
- Ester-C 500 mg with BioflavonoidsPhysioLogics · off the market same ingredients
- Ester-C 1000 mg with Citrus BioflavonoidsPhysioLogics · off the market 9 shared, 89% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Directions: For adults, take two (2) vegetarian tablets once daily, preferably with a meal.
- Warnings
- WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.
- Discontinue use and consult your doctor if any adverse reactions occur.
- Keep out of reach of children.
- Do not use if seal under cap is broken or missing.
- Allergens and what it does not contain
- No Gluten, No Yeast, No Wheat, No Milk or Milk Derivatives, No Lactose, No Soy, No Egg, No Grapefruit, No Sugar, No Starch, No Preservatives, No Artificial Color, No Artificial Flavor, No Sodium.
- Non-GMO
- Storage
- Store at room temperature.
Source: label statements in DSLD label 60426.
What else is on the label?
Other ingredients: Vegetable Cellulose, Calcium Silicate, Stearic Acid, Vegetable Magnesium Stearate, natural Palm leaf glaze.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Ester-C.
How many labels does Ester-C have?
3 labels are on file under this name since February 26, 2014: other sizes, label designs and reformulations. The current one leads this page.
- Label 60426 (current) Entered June 24, 2016 · off the market March 26, 2021 · 90 vegetarian tablets · UPC 0 76630 16971 4
- Label 58643 Entered April 22, 2016 · off the market November 17, 2020 · 450 vegetarian tablets · UPC 0 76630 16956 1
- Label 30425 Entered February 26, 2014 · off the market January 31, 2014 · 180 vegetarian tablets · UPC 0 76630 16984 4
DSLD also links this label to: Ester-C 500 mg With Citrus Bioflavoinds Timed Release (image difference, same product), Ester-C 500 mg With Citrus Bioflavoinds Timed Release (package size difference, same product), Ester-C 500 mg With Citrus Bioflavoinds (package size difference, same product), Ester-C 500 mg With Citrus Bioflavoinds (package size difference, same product), Ester-C 500 mg With Citrus Bioflavoinds (package size difference, same product), Ester-C 500 mg With Citrus Bioflavonoids (package size difference, same product), Ester-C 500 mg With Citrus Bioflavonoids (image difference, same product), Ester-C 500 mg With Citrus Bioflavonoids (package size difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names American Health, Inc. (manufacturer), Ronkonkoma, NY, U.S.A.. All American Health products.