C Extra 500 mg Plus 250 mg Bioflavonoids
by Natural Factors · capsule · 90 capsules
- On the market (NIH)
- UPC 0 68958 01321 3
- DSLD label 8178
- Serving 1 capsule
C Extra 500 mg Plus 250 mg Bioflavonoids by Natural Factors lists 5 ingredients, 5 with an amount per serving of 1 capsule, such as 500 mg of vitamin C, 250 mg of citrus bioflavonoids, 50 mg of rutin and 25 mg of rosehips. Its current label entered the NIH Dietary Supplement Label Database on April 26, 2012.
What is in C Extra 500 mg Plus 250 mg Bioflavonoids?
Each row as the label prints it, per serving of 1 capsule. 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 Ascorbic Acid | 500 mg | 830% | Higher than 81% of 18,583 products listing vitamin C (median 100 mg). |
| Citrus Bioflavonoids | 250 mg | Higher than 88% of 2,343 products listing flavonoid (median 50 mg). | |
| Rutin | 50 mg | Higher than 69% of 1,232 products listing rutin (median 25 mg). | |
| RosehipsRosehips PlantPart: fruit Genus: Rosa Species: canina Note: powdered | 25 mg | 44% of 397 products listing dog rose give more (median 25 mg). | |
| Hesperidin Bioflavonoids | 25 mg | Higher than 53% of 552 products listing hesperidin (median 20 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 8178 (entered April 26, 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?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
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?
1 product lists the very same ingredients; the nearest amounts come first.
- C 1000 mgThompson same ingredients
- Super C Complex Vitamin C 1000 mg With 500 mg BioflavonoidsNature's Plus · off the market 5 shared, 82% alike
- Super C ComplexNatures Plus · off the market 5 shared, 82% alike
- Time Release Vitamin CNature's Sunshine 5 shared, 82% alike
- Hy-BioSolgar · off the market 4 shared, 75% alike
- Hy-CSolgar · off the market 4 shared, 75% 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: 1 capsule per day or as directed by a health professional.
- Warnings
- Sealed for you protection. Do not use if seal is broken.
- Keep out of reach of children.
- Storage
- For freshness, store in a cool, dry place.
Source: label statements in DSLD label 8178.
What else is on the label?
Other ingredients: Gelatin capsule, Magnesium Stearate.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): (recycle) Recyclable container; Purity & Potency Guaranteed.
How many labels does C Extra 500 mg Plus 250 mg Bioflavonoids have?
One label is on file, entered on April 26, 2012.
- Label 8178 (current) Entered April 26, 2012 · on the market · 90 capsules · UPC 0 68958 01321 3
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Natural Factors Canada (manufacturer). All Natural Factors products.