PlainVitamins

Preferred Vitamin C-1000 SR

by Physician's Preference · tablet or pill · 180 tablets

  • Off the market since August 2020 (NIH)
  • UPC 8 11749 01002 7
  • DSLD label 11206
  • Serving 1 tablet
  • 90 servings

Preferred Vitamin C-1000 SR by Physician's Preference lists 5 ingredients, 5 with an amount per serving of 1 tablet, such as 1 g of vitamin C, 110 mg of calcium, 500 mg of citrus bioflavonoids and 50 mg of acerola. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2012.

What is in Preferred Vitamin C-1000 SR?

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).

Preferred Vitamin C-1000 SR: Supplement Facts rows against the market (DSLD label 11206, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Calcium AscorbateVitamin C (Form: from Calcium Ascorbate) Note: 1,000 mg1 g1,670%Vitamin C in Preferred Vitamin C-1000 SR 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).

Calciumas Calcium AscorbateCalcium (Form: from Calcium Ascorbate)110 mg10%Calcium in Preferred Vitamin C-1000 SR against 17,831 products110 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg110 mg

51% of 17,831 products listing calcium give more (median 115 mg).

Citrus Bioflavonoidsas Total BioflavonoidsCitrus Bioflavonoids (Form: 37% Total Bioflavonoids (Form: as Hesperidin))500 mgFlavonoid in Preferred Vitamin C-1000 SR against 2,343 products500 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.500 mg

Higher than 94% of 2,343 products listing flavonoid (median 50 mg).

Acerola50 mgAcerola in Preferred Vitamin C-1000 SR against 436 products50 mg per serving; the middle half of products list 14.5 mg to 300 mg, the median 60 mg.50 mg

54% of 436 products listing acerola give more (median 60 mg).

Rutin50 mgRutin in Preferred Vitamin C-1000 SR against 1,232 products50 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.50 mg

Higher than 69% of 1,232 products listing rutin (median 25 mg).

Source: NIH ODS Dietary Supplement Label Database, label 11206 (entered July 25, 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?

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.
  • Its 500 mg of citrus bioflavonoids (filed by NIH under flavonoid) is higher than 94% of the 2,343 flavonoid products that print an amount; 65 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
Suggested Usage: As a dietary supplement, take 1 tablet daily, preferably with meals.
Warnings
Do not eat freshness packet. Keep in bottle.
Allergens and what it does not contain
Contains no sugar, salt, starch, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives.

Source: label statements in DSLD label 11206.

What else is on the label?

Other ingredients: Calcium Phosphate, Cellulose, Stearic Acid, Gelatin, Magnesium Stearate, Silica, Vegetable Coating.

How many labels does Preferred Vitamin C-1000 SR have?

One label is on file, entered on July 25, 2012.

  1. Label 11206 (current) Entered July 25, 2012 · off the market August 7, 2020 · 180 tablets · UPC 8 11749 01002 7

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

Who makes it?

The label names Physician's Preference(R) (distributor), Katy, TX. All Physician's Preference products.

Where next?