PlainVitamins

Vitamin C

by Source Naturals · powder · 8 ozs

  • On the market (NIH)
  • UPC 0 21078 00442 4
  • DSLD label 272737
  • Serving 2.4 g (1/2 teaspoon)
  • 94 servings

Vitamin C by Source Naturals lists one ingredient: 2 g of vitamin C per serving of 2.4 g. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2022.

What is in Vitamin C?

Each row as the label prints it, per serving of 2.4 g. 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: Supplement Facts rows against the market (DSLD label 272737, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Sodium Ascorbate2 g2,222%Vitamin C in Vitamin C against 18,583 products2,000 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg2,000 mg

Higher than over 99% of 18,583 products listing vitamin C (median 100 mg).

Sodiumas Sodium Ascorbate275 mg12%Sodium in Vitamin C against 14,514 products275 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.275 mg

Higher than 90% of 14,514 products listing sodium (median 55 mg).

Source: NIH ODS Dietary Supplement Label Database, label 272737 (entered August 23, 2022), 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?

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 2,000 mg of vitamin C is higher than over 99% of the 18,583 vitamin C products that print an amount; 79 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 Use: A rounded 1/4 to 1/2 teaspoon mixed in water or juice, preferably with a meal.
Warnings
Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
Allergens and what it does not contain
Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, preservatives, or artificial color, flavor or fragrance.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 272737.

How many labels does Vitamin C have?

6 labels are on file under this name since June 23, 2017: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 296346 Entered August 23, 2023 · off the market July 6, 2022 · 16 ounces · UPC 0 21078 00443 1
  2. Label 272737 (current) Entered August 23, 2022 · on the market · 8 ozs · UPC 0 21078 00442 4
  3. Label 78861 Entered September 21, 2017 · on the market · 16 ozs · UPC 0 21078 00443 1
  4. Label 78859 Entered September 21, 2017 · off the market December 22, 2021 · 8 ozs · UPC 0 21078 00442 4
  5. Label 78854 Entered September 21, 2017 · on the market · 16 ozs · UPC 0 21078 00433 2
  6. Label 75593 Entered June 23, 2017 · on the market · 8 ozs · UPC 0 21078 00432 5

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

Who makes it?

The label names Source Naturals, Inc. (distributor), Santa Cruz, CA. All Source Naturals products.

Where next?