Esterol Ester-C Calcium Ascorbate With Proanthocyanidins & Other Bioflavonoids
by Allergy Research Group · capsule · 200 vegetarian capsules
- Off the market since November 2015 (NIH)
- UPC 7 13947 70080 2
- DSLD label 20222
- Serving 1 to 2 capsules; amounts per 2 capsules
- 100 servings
Esterol Ester-C Calcium Ascorbate With Proanthocyanidins & Other Bioflavonoids by Allergy Research Group lists 5 ingredients, 5 with an amount per serving of 2 capsules, such as 1,350 mg of vitamin C, 150 mg of calcium, 100 mg of rutin and 50 mg of quercetin. Its current label entered the NIH Dietary Supplement Label Database on April 25, 2013.
What is in Esterol Ester-C Calcium Ascorbate With Proanthocyanidins & Other Bioflavonoids?
Each row as the label prints it, per serving of 2 capsules. 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 Calcium AscorbateVitamin C (Form: as Calcium Ascorbate) | 1,350 mg | 2,250% | Higher than 99% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 4,050 mg. 2 times the adult UL a day. |
| Calciumas Calcium AscorbateCalcium (Form: as Calcium Ascorbate) | 150 mg | 15% | Higher than 58% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 450 mg. |
| Rutin | 100 mg | Higher than 84% of 1,232 products listing rutin (median 25 mg). Per day at the most servings: 300 mg. | |
| Quercetin | 50 mg | 56% of 1,548 products listing quercetin give more (median 100 mg). Per day at the most servings: 150 mg. | |
| Proanthocyanidins | 5 mg | 87% of 164 products listing proanthocyanidins give more (median 36 mg). Per day at the most servings: 15 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 20222 (entered April 25, 2013), 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:
- At 3 servings a day, the most its directions give, the label lists 4,050 mg of vitamin C, 2 times the adult Tolerable Upper Intake Level.
- 87% of the 164 products that print an amount of proanthocyanidins list more than its 5 mg of proanthocyanidins (median 36 mg).
The NIH database records 1 to 3 servings 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?
The products whose ingredient lists overlap most with Esterol Ester-C Calcium Ascorbate With Proanthocyanidins & Other Bioflavonoids's, rare ingredients counting for more.
- Essential-C & FlavonoidsPure Encapsulations · off the market 4 shared, 65% alike
- EsterolAllergy Research Group · off the market 4 shared, 55% alike
- Esterol Ester-CNutriCology 4 shared, 55% alike
- Esterol Ester-CAllergy Research Group 4 shared, 55% alike
- Daily Pure Pack ImmunePure Encapsulations 4 shared, 53% alike
- Complete C-1000AA Anabolic Agents · off the market 4 shared, 51% 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 Use As a dietary supplement, 1 or 2 capsules one to three times per day between meals, or as directed by a healthcare practitioner.
- Allergens and what it does not contain
- These nutrients are of the highest quality and purity obtainable, and do not contain preservatives, diluents, or artificial additives.
- Storage
- Keep in a cool, dry place, tightly capped.
Source: label statements in DSLD label 20222.
What else is on the label?
Other ingredients: Hydroxypropyl Methylcellulose, Magnesium Stearate, Silicon Dioxide.
How many labels does Esterol Ester-C Calcium Ascorbate With Proanthocyanidins & Other Bioflavonoids have?
One label is on file, entered on April 25, 2013.
- Label 20222 (current) Entered April 25, 2013 · off the market November 19, 2015 · 200 vegetarian capsules · UPC 7 13947 70080 2
DSLD also links this label to: Esterol (package size difference, same product), Esterol (image difference, same product), Esterol (package size difference, same product), Esterol Ester-C (image difference, same product), Esterol Ester-C (package size difference, same product), Esterol Ester-C (image difference, same product), Esterol Ester-C (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 Allergy Research Group (distributor), Alameda, CA. All Allergy Research Group products.