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Optimum · Vitamin supplement

Folic Acid 400 mcg USP

1 ingredient on file in the NIH Dietary Supplement Label Database, top 100% by ingredient count. Currently on-market in the U.S.

1
Ingredients
Top 100%
By ingredient count

Folic Acid 400 mcg USP is a vitamin supplement by Optimum in tablet or pill form, listing 1 ingredient in the NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. Currently listed as on-market. Daily Value percentages shown below are based on FDA reference daily intake amounts for adults.

Product Details

Form
Tablet or Pill
Database Entry Date
2012-10-25
Ingredients
1

Supplement Facts (1 Ingredients)

Folic Acid
Amount
Not disclosed on label
% DV
Not reported

How does Folic Acid 400 mcg USP compare?

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

Folic Acid 400 mcg USP1
100% Natural E Liquid2
Vitamin average6.8

Folic Acid 400 mcg USP lists 1 ingredient fewer than 100% Natural E Liquid. That is 6 below the vitamin average.

What the Label Data Shows

According to NIH DSLD label rows, Folic Acid 400 mcg USP sits in the top 100% of products with a countable formula by declared ingredient count.

Folic Acid 400 mcg USP is a single-ingredient vitamin supplement from Optimum, sold in tablet or pill form, cataloged in the NIH Dietary Supplement Label Database (DSLD). A single-ingredient-group formula like this keeps the label's dosing simple to read.

With only 1 ingredient on the label, 1 of 1 lack a reported percentage Daily Value in the source record, so their regulatory reference status remains unspecified here.

Availability status shapes how this label record is best used. This product is currently listed as on-market in the DSLD, with its label first entered into the database on 2012-10-25. An on-market listing means the product is currently sold in the United States; the DSLD catalogs the label as submitted but does not independently verify the claims or evaluate safety or efficacy.

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 Folic Acid 400 mcg USP: 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.

Nationwide supplements with similar label profiles

Two DSLD-derived peer sets for Folic Acid 400 mcg USP, both outside the Optimum brand so the neighborhoods are not catalog containment (the same-type Nearby block above stays type-local).

Daily Value Coverage

0
Above 100% DV
0
Below 100% DV
1
%DV not reported in source

Frequently Asked Questions

What ingredients are in Folic Acid 400 mcg USP?
Folic Acid 400 mcg USP contains 1 ingredient. By declared ingredient count it sits in the top 100% of DSLD products PlainVitamins places.
Who manufactures Folic Acid 400 mcg USP?
Folic Acid 400 mcg USP is currently manufactured by Optimum. It is classified as a Vitamin supplement in tablet or pill form.
Is Folic Acid 400 mcg USP still available for purchase?
Yes, Folic Acid 400 mcg USP is currently listed as on-market in the NIH DSLD database.
What is the serving size of Folic Acid 400 mcg USP?
The serving size is not specified.
What type of supplement is Folic Acid 400 mcg USP?
Folic Acid 400 mcg USP is classified as a "Vitamin" supplement in the NIH database. This category includes products primarily composed of vitamin ingredients. The NIH DSLD tracks 9 supplement categories: Vitamin, Mineral, Botanical, Amino Acid & Protein, Non-Nutrient, Fat & Fatty Acid, Multi-Vitamin & Mineral, Botanical with Nutrients, and 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.