Vitamin C 1000 mg Plus Citrus Bioflavonoids

by Quest · tablet or pill · 120 tablets

  • Off the market since October 2023 (NIH)
  • UPC 0 58371 21228 7
  • DSLD label 23660
  • Serving 1 tablet

Vitamin C 1000 mg Plus Citrus Bioflavonoids by Quest lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 1,000 mg of vitamin C and 100 mg of citrus bioflavonoids. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2013.

What is in Vitamin C 1000 mg Plus Citrus Bioflavonoids?

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).

Vitamin C 1000 mg Plus Citrus Bioflavonoids: Supplement Facts rows against the market (DSLD label 23660, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid1,000 mg1,111%*Vitamin C in Vitamin C 1000 mg Plus Citrus Bioflavonoids against 18,583 products1,000 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg1,000 mg

Higher than 91% of 18,583 products listing vitamin C (median 100 mg).

Citrus Bioflavonoidsas CitrusCitrus Bioflavonoids (Form: from Citrus PlantPart: rind)100 mgFlavonoid in Vitamin C 1000 mg Plus Citrus Bioflavonoids against 2,343 products100 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.100 mg

Higher than 62% of 2,343 products listing flavonoid (median 50 mg).

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 23660 (entered July 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:

  • 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?

6 products list the very same ingredients; the nearest amounts come first.

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
Recommended Use: A factor in the normal development and maintenance of bones, cartilage, teeth and gums. A factor in wound healing. Recommended Dose (Adults): Take 1 tablet daily with a meal or as directed by a health care practitioner.
Warnings
KEEP OUT OF REACH OF CHILDREN.
DO NOT USE IF SEAL UNDER CAP IS BROKEN.
Allergens and what it does not contain
This product does not contain dairy, egg, gluten, shellfish, soy, sulfites, wheat or animal derivatives.
No artificial colours, flavours or preservatives
Storage
STORE IN A COOL, DRY PLACE.

Source: label statements in DSLD label 23660.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Magnesium Stearate, Microcrystalline Cellulose, Silicon Dioxide, Stearic Acid, Cellulose, Glycerin.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): PREMIUM - QUALITY ASSURED; {Recycle}; SunOpta A healthy products company.

How many labels does Vitamin C 1000 mg Plus Citrus Bioflavonoids have?

One label is on file, entered on July 25, 2013.

  1. Label 23660 (current) Entered July 25, 2013 · off the market October 12, 2023 · 120 tablets · UPC 0 58371 21228 7

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names SunOpta Inc. (manufacturer), Acton, ON. All Quest products.

Where next?