B-12 1000 mcg

by Marlex Pharmaceuticals · tablet or pill · 50 tablets

  • On the market (NIH)
  • UPC 3 10135 65250 1
  • DSLD label 263367
  • Serving 1 tablet
  • 50 servings

B-12 1000 mcg by Marlex Pharmaceuticals lists one ingredient: 1,000 mcg of vitamin B12 per serving of 1 tablet. Its current label entered the NIH Dietary Supplement Label Database on November 19, 2021.

What is in B-12 1000 mcg?

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).

B-12 1000 mcg: Supplement Facts rows against the market (DSLD label 263367, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B12as Cyanocobalamin1,000 mcg41,667%Vitamin B12 in B-12 1000 mcg against 14,425 products1,000 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg1,000 mcg

Higher than 89% of 14,425 products listing vitamin B12 (median 36 mcg).

Source: NIH ODS Dietary Supplement Label Database, label 263367 (entered November 19, 2021), 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 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
Directions: Age - Dosage Adults 18 years of age or older - 1,000 mcg (1 tablet) daily preferably with a meal or as directed by your doctor Persons under 18 years of age - Consult your doctor
- Use by expiration date on package
Warnings
Warning: Do not exceed recommended dosage.
Consult your physician before taking this product if you have vascular disease (such as heart disease or history of stroke) or diabetes, are pregnant or nursing, taking medication, facing surgery, have bleeding problems, or undergoing any treatment which may affect the ability of blood to clot.
Keep out of the reach of children.
In case of accidental overdose, call a doctor or poison control center immediately. (1-800-222-1222)
Storage
Other information: - Store in a cool, dry place at controlled temperature 15-30 degrees C (58-86 degrees F) - Protect from moisture - Store in original container for better identification

Source: label statements in DSLD label 263367.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Mannitol, Microcrystalline Cellulose, Silicon Dioxide, Stearic Acid, Silicon Dioxide, Colloidal, Magnesium Stearate, Hypromellose.

How many labels does B-12 1000 mcg have?

3 labels are on file under this name since November 19, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 263367 (current) Entered November 19, 2021 · on the market · 50 tablets · UPC 3 10135 65250 1
  2. Label 263363 Entered November 19, 2021 · on the market · 100 tablets · UPC 3 10135 65201 3
  3. Label 263362 Entered November 19, 2021 · on the market · 130 tablets · UPC 3 10135 65263 1

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

Who makes it?

The label names Marlex Pharmaceuticals, Inc. (distributor), New Castle, DE. All Marlex Pharmaceuticals products.

Where next?