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Douglas Laboratories · Vitamin supplement

Vitamin B12

5 ingredients on file in the NIH Dietary Supplement Label Database. Off-market, label data preserved for reference.

5
Ingredients
4
Nutrient categories
Top 75%
By ingredient count

Vitamin B12 is a vitamin supplement by Douglas Laboratories in tablet or pill form, listing 5 ingredients in the NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. Currently listed as off-market (no longer available for purchase, but label data is preserved). Daily Value percentages shown below are based on FDA reference daily intake amounts for adults.

Product Details

Form
Tablet or Pill
Database Entry Date
2012-01-25
Ingredients
5

Supplement Facts (5 Ingredients)

Ingredient Group Amount % DV
Vitamin B12 Vitamin B12 Not disclosed on label No DV
Mannitol Mannitol Not disclosed on label No DV
Stearic Acid Stearic Acid Not disclosed on label No DV
Magnesium Stearate Magnesium Not disclosed on label No DV
Silica Silicon Not disclosed on label No DV

How does Vitamin B12 compare?

Ingredients listed on each label, against the vitamin category average of 6.8. Data from the NIH DSLD.

Vitamin B125
100% Natural E Liquid2
Vitamin average6.8

Vitamin B12 lists 3 ingredients more than 100% Natural E Liquid. That is 2 below the vitamin average.

What the Label Data Shows

Vitamin B12 is a compact, 5-ingredient vitamin supplement from Douglas Laboratories, sold in tablet or pill form, cataloged in the NIH Dietary Supplement Label Database (DSLD). These ingredients span 4 nutrient categories, mineral, vitamin, non-nutrient/non-botanical, fatty acid, reflecting a multi-component formula rather than a single-nutrient product.

With only 5 ingredients on the label, 5 of 5 have no FDA reference-intake value at all, unremarkable on a short ingredient list drawn from botanicals, amino acids, or other specialty compounds the FDA has never assigned a Daily Value to.

Market status matters for supplement research. This product is currently listed as off-market in the DSLD, with its label first entered into the database on 2012-01-25. Off-market products are no longer being produced or distributed under this label, but the DSLD preserves their historical label data for researchers, consumers checking older bottles, and for tracking how formulations have evolved.

About the DSLD database

The DSLD is a label database, not an FDA approval list, under the 1994 DSHEA framework, dietary supplements do not require pre-market approval, and label information reflects what manufacturers self-declare rather than independent laboratory verification. This page presents factual label data for reference only and is not medical advice; consult a licensed healthcare provider before making decisions about any supplement.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) Supplement label data for Vitamin B12: ingredients, % Daily Value, market status, brand · 2026 DSLD captures manufacturer-self-declared label information; the NIH does not verify accuracy or evaluate safety/efficacy. Dietary supplements are regulated under DSHEA 1994, no pre-market FDA approval is required.

Ingredient Breakdown by Category

mineral
2
Magnesium Stearate, Silica
vitamin
1
Vitamin B12
non-nutrient/non-botanical
1
Mannitol
fatty acid
1
Stearic Acid

Daily Value Coverage

0
Above 100% DV
0
Below 100% DV
5
No DV Established

Frequently Asked Questions

What ingredients are in Vitamin B12?
Vitamin B12 contains 5 ingredients. Ingredients span 4 categories: mineral, vitamin, non-nutrient/non-botanical, fatty acid.
Who manufactures Vitamin B12?
Vitamin B12 is was manufactured by Douglas Laboratories. It is classified as a Vitamin supplement in tablet or pill form.
Is Vitamin B12 still available for purchase?
According to the NIH DSLD database, Vitamin B12 is listed as off-market and may no longer be available for purchase.
What is the serving size of Vitamin B12?
The serving size is not specified.
What type of supplement is Vitamin B12?
Vitamin B12 is classified as a "Vitamin" supplement in the NIH database. This category includes products primarily composed of vitamin ingredients. DSLD sorts every supplement into one of 9 categories overall: Vitamin, Mineral, Botanical, Amino Acid & Protein, Non-Nutrient, Fat & Fatty Acid, Multi-Vitamin & Mineral, Botanical with Nutrients, or Other Combinations.
Data Sources & Methodology

Data as of 2025. Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD).

Supplement label data sourced from the Source: NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. The DSLD contains label information from dietary supplement products marketed in the United States.

Daily Value (DV) percentages are based on Source: FDA 21 CFR 101.9 Reference Daily Intake (RDI) values for adults. Products marked "Off Market" may no longer be available for purchase but their label data remains in the database for reference.

Disclaimer, Not Medical Advice

Label data from the Source: NIH Dietary Supplement Label Database (DSLD). This information is for educational and reference purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting, stopping, or combining any dietary supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. This page draws directly on the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.