Ester-C 1000
by NOW · tablet or pill · 120 tablets
- On the market (NIH)
- UPC 7 33739 00732 2
- DSLD label 12844
- Serving 1 tablet
Ester-C 1000 by NOW lists 6 ingredients, 6 with an amount per serving of 1 tablet, such as 1 g of vitamin C, 115 mg of calcium, 200 mg of citrus bioflavonoids and 25 mg of acerola powder. Its current label entered the NIH Dietary Supplement Label Database on August 24, 2012.
What is in Ester-C 1000?
Each row as the label prints it, per serving of 1 tablet. 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: from Ester-C(R) Calcium Ascorbate) Note: 1,000 mg | 1 g | 1,670% | Higher than 91% of 18,583 products listing vitamin C (median 100 mg). |
| Calciumas Ester-C Calcium AscorbateCalcium (Form: from Ester-C(R) Calcium Ascorbate) | 115 mg | 10% | 50% of 17,831 products listing calcium give more (median 115 mg). |
| Citrus Bioflavonoidsas Total BioflavonoidsCitrus Bioflavonoids (Form: 37% Total Bioflavonoids (Form: as Hesperidin)) | 200 mg | Higher than 83% of 2,343 products listing flavonoid (median 50 mg). | |
| Acerola powder | 25 mg | 66% of 436 products listing acerola give more (median 60 mg). | |
| Rose Hips powder | 25 mg | 44% of 397 products listing dog rose give more (median 25 mg). | |
| Rutin | 25 mg | 37% of 1,232 products listing rutin give more (median 25 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 12844 (entered August 24, 2012), 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.
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.
- Ester-C 1250 mgWonder Laboratories same ingredients
- Ester C 1250 mgDC same ingredients
- Buffered Vitamin C 2500 mg w/BioflavonoidsWonder Labs · off the market same ingredients
- Buffered C 2500 mg PowderDC same ingredients
- Ester C Powder 2500 mgDC same ingredients
- Natural Source Super C-500Windmill · off the market 5 shared, 92% 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
- SUGGESTED USAGE: As a dietary supplement, take one tablet daily, preferably with meals.
- Allergens and what it does not contain
- Contains no sugar, starch, yeast, wheat, gluten, corn, soy, milk, egg or preservatives.
Source: label statements in DSLD label 12844.
What else is on the label?
Other ingredients: Cellulose, Magnesium Stearate, Silica.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Good Manufacturing Practices GMP NNfA.
How many labels does Ester-C 1000 have?
One label is on file, entered on August 24, 2012.
- Label 12844 (current) Entered August 24, 2012 · on the market · 120 tablets · UPC 7 33739 00732 2
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names NOW FOODS (manufacturer), BLOOMINGDALE, IL. All NOW products.