Ester-C 500 Plus Bioflavonoids
by Bluebonnet · other (e.g. tea bag) · 180 caplets
- On the market (NIH)
- UPC 7 43715 00501 3
- DSLD label 3208
- Serving 1 caplet
Ester-C 500 Plus Bioflavonoids by Bluebonnet lists 9 ingredients, 9 with an amount per serving of 1 caplet, such as 500 mg of vitamin C, 50 mg of calcium, 250 mg of citrus bioflavonoids and 63 mg of flavonols. Its current label entered the NIH Dietary Supplement Label Database on December 23, 2011.
What is in Ester-C 500 Plus Bioflavonoids?
Each row as the label prints it, per serving of 1 caplet. 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 buffered Ester-C | 500 mg | 833% | Higher than 81% of 18,583 products listing vitamin C (median 100 mg). |
| Calciumas Calcium Ascorbate | 50 mg | 5% | 72% of 17,831 products listing calcium give more (median 115 mg). |
| Citrus Bioflavonoids | 250 mg | Higher than 88% of 2,343 products listing flavonoid (median 50 mg). | |
| Bioflavonoid Composition | no amount given | ||
| Flavanones | 75 mg | ||
| Hesperidin | 30 mg | Higher than 61% of 552 products listing hesperidin (median 20 mg). | |
| Eriocitrin | 23 mg | ||
| Naringen & Naringenin | 3 mg | 96% of 47 products listing naringenin give more (median 26 mg). | |
| Flavonols | 63 mg | ||
| Flavones | 8 mg |
Source: NIH ODS Dietary Supplement Label Database, label 3208 (entered December 23, 2011), 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:
- 96% of the 47 products that print an amount of naringenin list more than its 3 mg of naringen & naringenin (filed by NIH under naringenin) (median 26 mg).
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?
The products whose ingredient lists overlap most with Ester-C 500 Plus Bioflavonoids's, rare ingredients counting for more.
- Natural Citrus BioflavonoidsDC 7 shared, 93% alike
- Ascorbic Acid with BioflavonoidsNutriBiotic Immunity 7 shared, 80% alike
- Natural Citrus Bioflavonoids 1,000 mgWonder Laboratories 7 shared, 78% alike
- Super C ComplexNaturesPlus 5 shared, 45% 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: As a dietary supplement take one caplet daily or as directed.
- Allergens and what it does not contain
- Free of milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat and soybeans. Also free of yeast, gluten, barley, rice, sodium and sugar.
Source: label statements in DSLD label 3208.
What else is on the label?
Other ingredients: Vegetable Cellulose, Stearic Acid, Magnesium Stearate, Silica, Vegetable Glaze.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): K Parve.
How many labels does Ester-C 500 Plus Bioflavonoids have?
One label is on file, entered on December 23, 2011.
- Label 3208 (current) Entered December 23, 2011 · on the market · 180 caplets · UPC 7 43715 00501 3
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Bluebonnet Nutrition Corporation (manufacturer), Sugar Land, Texas. All Bluebonnet products.