C 1,000 mg Timed-Released Formula
by Swanson · tablet or pill · 250 tablets
- On the market (NIH)
- UPC 0 87614 01098 4
- DSLD label 202310
- Serving 1 timed-release tablet
C 1,000 mg Timed-Released Formula by Swanson lists 2 ingredients, 2 with an amount per serving of 1 timed-release tablet, such as 1,000 mg of vitamin C and 25 mg of rose hips 4:1 extract. Its current label entered the NIH Dietary Supplement Label Database on May 28, 2019.
What is in C 1,000 mg Timed-Released Formula?
Each row as the label prints it, per serving of 1 timed-release 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Vitamin Cas Ascorbic AcidVitamin C (Alt. Name: Ascorbic Acid) Note: USP | 1,000 mg | 1,111% | Higher than 91% of 18,583 products listing vitamin C (median 100 mg). |
| Rose Hips 4:1 extractRose Hips 4:1 extract Note: equivalent to 100 mg rose hips powder | 25 mg | 52% of 195 products listing rose (unspecified) give more (median 30 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 202310 (entered May 28, 2019), 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-1000 With Rose HipsNature's Way · off the market same ingredients
- Timed-Release Vitamin C with Rose Hips 1,000 mgSwanson Premium Brand · off the market same ingredients
- C 1,000 mg Timed-Release FormulaSwanson · off the market same ingredients
- Vitamin C 1000 mgGood State same ingredients
- Sustained Release C-1000 with Rose HipsWindmill · off the market same ingredients
- Vitamin C with Rose Hips 1,000 mgSwanson Premium Brand · off the market 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
- Suggested use: As a dietary supplement, take one tablet per day with water. Timed-release gradually over 6 to 8 hours.
- Warnings
- Warning: For adults only.
- Consult your physician before using this or any product if you are pregnant or nursing, taking medication or have a medical condition.
- Keep out of reach of children.
- Do not use if seal is broken.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 202310.
What else is on the label?
Other ingredients: Stearic Acid, Magnesium Stearate, Silica, Food Glaze, Hydroxypropyl Cellulose, Gelatin, Magnesium Silicate.
How many labels does C 1,000 mg Timed-Released Formula have?
One label is on file, entered on May 28, 2019.
- Label 202310 (current) Entered May 28, 2019 · on the market · 250 tablets · UPC 0 87614 01098 4
DSLD also links this label to: C 1,000 mg Timed-Release Formula (image difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Swanson Health Products (distributor), Fargo, ND. All Swanson products.