PlainVitamins

C-500 mg

by Swanson · tablet or pill · 500 tablets

  • On the market (NIH)
  • UPC 0 87614 01087 8
  • DSLD label 337836
  • Serving 1 tablet
  • 500 servings

C-500 mg by Swanson lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 500 mg of vitamin C and 50 mg of rose hip concentrate. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2025.

What is in C-500 mg?

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-500 mg: Supplement Facts rows against the market (DSLD label 337836, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid500 mg556%Vitamin C in C-500 mg against 18,583 products500 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg500 mg

Higher than 81% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 1,000 mg.

Rose Hip Concentratefrom concentrate50 mgRose Hip in C-500 mg against 85 products50 mg per serving; the middle half of products list 16 mg to 120 mg, the median 40 mg.50 mg

Higher than 53% of 85 products listing rose hip (median 40 mg). Per day at the most servings: 100 mg.

Source: NIH ODS Dietary Supplement Label Database, label 337836 (entered September 25, 2025), 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.

The NIH database records 1 to 2 servings 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 use: As a dietary supplement, take one tablet one to two times per day with food and water.
Warnings
Warning: For adults only. Keep out of reach of children.
Consult your healthcare provider before using this or any product if you are pregnant or nursing, taking medication or have a medical condition.
Do not use if seal is broken.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 337836.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Stearic Acid, Croscarmellose Sodium, Magnesium Stearate, Sodium Alginate, Glycerin, Vivacoat Ocean Pure, Water, Purified, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Vegetarian.

How many labels does C-500 mg have?

6 labels are on file under this name since February 25, 2019: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 337836 (current) Entered September 25, 2025 · on the market · 500 tablets · UPC 0 87614 01087 8
  2. Label 273541 Entered March 22, 2023 · on the market · 250 tablets · UPC 0 87614 01948 2
  3. Label 212733 Entered January 25, 2020 · off the market December 3, 2019 · 250 capsules · UPC 0 87614 01102 8
  4. Label 202369 Entered June 24, 2019 · on the market · 250 capsules · UPC 0 87614 01102 8
  5. Label 202738 Entered May 28, 2019 · off the market June 18, 2025 · 400 capsules · UPC 0 87614 01847 8
  6. Label 187504 Entered February 25, 2019 · off the market September 25, 2018 · 400 capsules · UPC 0 87614 01847 8

DSLD also links this label to: Vitamin C With Rose Hips 500 mg (image difference, same product), Vitamin C with Rose Hips 500 mg (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.

Where next?