C - 1000 Tr

by Nutri-West · tablet or pill · 90 tablets

On the market (NIH)
DSLD label 27565
Serving 1 tablet
90 servings

C - 1000 Tr by Nutri-West lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 1,000 mg of vitamin C and 110 mg of bioflavonoids. Its current label entered the NIH Dietary Supplement Label Database on November 25, 2013.

What is in C - 1000 Tr?

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).

C - 1000 Tr: Supplement Facts rows against the market (DSLD label 27565, January 2026 release)
Ingredient	Amount	% DV	Among products listing it
Vitamin Cas Ascorbic Acid	1,000 mg	1,666%	Higher than 91% of 18,583 products listing vitamin C (median 100 mg).
Bioflavonoids	110 mg		Higher than 78% of 2,343 products listing flavonoid (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 27565 (entered November 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.

Vitamin C with BioflavonoidsBronson Laboratories · off the market same ingredients
Vitamin C With Citrus Bioflavonoids 1000 mgNature's Harmony same ingredients
Vitamin C 1000 mg Plus Citrus BioflavonoidsQuest · off the market same ingredients
Supreme CPureFormulas same ingredients
C 1000 mgKirkland Signature same ingredients
Natural C 1000 mgDouglas Laboratories same ingredients

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 for Use: One tablet daily or as directed.
Warnings: KEEP OUT OF REACH OF CHILDREN.; TAMPER RESISTANT OUTER SEAL - DO NOT USE IF BROKEN.
Allergens and what it does not contain: Contains no starch, salt, sugar, wheat, corn, yeast, soy, milk, or preservatives.
Storage: Store in a cool, dry place.

Source: label statements in DSLD label 27565.

What else is on the label?

Other ingredients: Magnesium Stearate, Stearic Acid.

How many labels does C - 1000 Tr have?

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

Label 27565 (current) Entered November 25, 2013 · on the market · 90 tablets

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

Who makes it?

The label names Nutri-West (manufacturer), Douglas, Wy. All Nutri-West products.