PlainVitamins

Vitamin C 1000 mg

by Blackstone Labs · tablet or pill · 100 tablets

  • On the market (NIH)
  • UPC 8 11836 02509 5
  • DSLD label 271123
  • Serving 2 tablets
  • 100 servings

Vitamin C 1000 mg by Blackstone Labs lists 2 ingredients, 2 with an amount per serving of 2 tablets, such as 1,000 mg of vitamin C and 25 mg of citrus bioflavonoids. Its current label entered the NIH Dietary Supplement Label Database on July 21, 2022.

What is in Vitamin C 1000 mg?

Each row as the label prints it, per serving of 2 tablets. 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 1000 mg: Supplement Facts rows against the market (DSLD label 271123, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin C1,000 mg1,667%Vitamin C in Vitamin C 1000 mg 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). Per day at the most servings: 2,000 mg.

Citrus Bioflavonoids25 mgFlavonoid in Vitamin C 1000 mg against 2,343 products25 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.25 mg

66% of 2,343 products listing flavonoid give more (median 50 mg). Per day at the most servings: 50 mg.

Source: NIH ODS Dietary Supplement Label Database, label 271123 (entered July 21, 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 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 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
Directions For healthy adults, take two (2) tablets one to two times daily, preferably with food.
Warnings
Warning Keep out of reach of children.
Consult a doctor if you are nursing or pregnant prior to use or if you have any medical conditions.
Discontinue use if any allergic or adverse reaction occurs and alert your doctor.
Storage
Store at room temperature.

Source: label statements in DSLD label 271123.

What else is on the label?

Other ingredients: Phospholipids, Phosphatidylcholine, Lysophosphatidylcholine, Phosphatidylethanolamine, Hydroxypropyl-Beta-Cyclodextrin, Phytosterol Complex, Glyceryl Stearate, Microcrystalline Cellulose, Colloidal Silica Anhydrous, Magnesium Stearate.

How many labels does Vitamin C 1000 mg have?

One label is on file, entered on July 21, 2022.

  1. Label 271123 (current) Entered July 21, 2022 · on the market · 100 tablets · UPC 8 11836 02509 5

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

Who makes it?

The label names Blackstone Labs (distributor), Boca Raton, FL. All Blackstone Labs products.

Where next?