Polyphenol-C Complex 500 mg
by Doctor's Best · capsule · 90 veggie caps
- On the market (NIH)
- UPC 7 53950 00564 8
- DSLD label 271087
- Serving 1 veggie capsule
- 90 servings
Polyphenol-C Complex 500 mg by Doctor's Best lists 9 ingredients, 3 with an amount per serving of 1 veggie capsule, such as 500 mg of vitamin C; 6 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on March 22, 2023.
What is in Polyphenol-C Complex 500 mg?
Each row as the label prints it, per serving of 1 veggie 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 Acidfrom Polyphenol-C blend | 500 mg | 556% | Higher than 81% of 18,583 products listing vitamin C (median 100 mg). |
| Polyphenol-C Proprietary Blend | 650 mg | ||
| Vitamin Cas Ascorbic Acid | 500 mg | ||
| Berry Polyphenols | 40 mg | 61% of 249 products listing polyphenols give more (median 80 mg). | |
| Grape Whole Fruit Extract | no amount given | ||
| Blueberry Whole Fruit Extract | no amount given | ||
| Cranberry Whole Fruit Extract | no amount given | ||
| Blackberry, Freeze Dried, Powderas Rubus armeniacus, Rubus fruticosus, Rubus lacinaiatus | no amount given | ||
| Raspberry, Freeze Dried, Powderas Rubus idaeus, Rubus stringosusRubus idaeus and/or Rubus stringosus | no amount given | ||
| Strawberry, Freeze Dried, Powder | no amount given |
Source: NIH ODS Dietary Supplement Label Database, label 271087 (entered March 22, 2023), version 9.4.0. See the label on DSLD or its label image (PDF). 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; 6 ingredients sit inside a blend, so their amounts cannot be compared.
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.
- Polyphenol-C 500Allergy Research Group same ingredients
- Vitamin C & Polyphenols Immunity ComplexBiovia 7 shared, 81% alike
- Non-GMO Vitamin C 500 with Berry PolyphenolsNurtiCology 7 shared, 75% alike
- Fruit Full Anti-Oxidant Extracts Bulk PowderProCaps Laboratories 8 shared, 47% alike
- Fruit Full Anti-Oxidant ExtractsProCaps Laboratories 8 shared, 47% alike
- BioCgel Buffered Vitamin C With BerryRichNatural Factors · off the market 6 shared, 47% 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 Adult Use: Take 1 capsule daily or as recommended by a nutritionally informed physician.
- Allergens and what it does not contain
- Non-GMO Gluten free Soy free
- Storage
- Store in a cool dry place.
Source: label statements in DSLD label 271087.
What else is on the label?
Other ingredients: Hypromellose, Microcrystalline Cellulose, Maltodextrin, Silicon Dioxide, Stearic Acid.
How many labels does Polyphenol-C Complex 500 mg have?
One label is on file, entered on March 22, 2023.
- Label 271087 (current) Entered March 22, 2023 · on the market · 90 veggie caps · UPC 7 53950 00564 8
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Doctor's Best, Inc. (distributor), California. All Doctor's Best products.