NIH Dietary Supplement Label Database
Every U.S. supplement label, in plain data
According to the National Institutes of Health (NIH) Office of Dietary Supplements' May 2026 Dietary Supplement Label Database (DSLD) release, 113,539 product labels are on file, compare ingredients, brands, and Daily Value coverage. Inclusion is a label record on file, not a quality endorsement.
Search across 113,539 supplement labels: filter by ingredient, brand, product type, or market status. Daily Value (DV) coverage and serving sizes shown when available on the source label.
- 113,539
- Product labels
- 65,490
- On market
- 4,271
- Brands
- 4,622
- Ingredients
The national catalog in one line
PlainVitamins indexes 113,539 NIH DSLD labels across 4,271 brands; 57.7% remain on-market, and BulkSupplements.com leads catalog filings with 4,324 labels while Magnesium is the densest active ingredient at 27,686 label appearances.
- 113,539
- DSLD labels indexed
- 57.7%
- still on-market
- 4,271
- brands catalogued
- 27,686
- Magnesium labels
Counts are live from the NIH Dietary Supplement Label Database rebuild on this site. Label filings are manufacturer declarations, not lab-verified content or medical advice.
According to the NIH Office of Dietary Supplements, PlainVitamins compiles more than 113,539 supplement label records across 4,407 brands, last refreshed in July 2026; see our methodology for the full source list.
Browse by Type
Explore supplements across 9 categories.
Top Brands
Brands with the most products in the database.
Top Brands by Product Count
Brands ranked by total NIH DSLD label registrations, visualised as a horizontal pill-bar (PlainVitamins signature visualisation).
Catalog scale vs. active-listing share
Among the 20 largest brands by total NIH DSLD label registrations: total catalog size (x) against the share of those labels still on-market today (y). A large catalog does not guarantee a large ACTIVE catalog.
What is actually most common on supplement labels?
The substances that appear on the most labels, note that fillers and capsule materials (cellulose, silicon dioxide, gelatin) and Supplement Facts rows often out-rank the active nutrients.
Supplement Guides
Learn how to read labels, understand FDA oversight, and use NIH data to compare products.
How to Read a Supplement Facts Panel
Serving sizes, Daily Values, proprietary blends, and how supplement labels differ from food labels.
Supplement Safety Basics
What FDA oversight covers, DSHEA explained, quality concerns, and what the DSLD data reveals.
Comparing Supplements with NIH Data
How to use ingredient and brand data to compare products, normalize serving sizes, and evaluate quality signals.
Are Supplements Worth Taking?
Evidence ratings for 14 common supplements, strong evidence, moderate, or no evidence, with guidance on who benefits.
How to Read Supplement Labels
Proprietary blends, third-party certifications, Other Ingredients allergens, and botanical label terminology decoded.
Disclaimer: Data from NIH Dietary Supplement Label Database (DSLD). PlainVitamins does not recommend supplements or provide medical advice. Always consult a healthcare provider before starting any supplement. See our full health disclaimer.
Related Guides
Editorial context for the plainvitamins dataset, methodology, comparisons, and deep dives into the underlying records.
What to do with this data
Use the label record, not the marketing, to decide what's actually in a supplement.
- Read the Supplement Facts panel before you buy, compare ingredient amounts per serving, not front-of-bottle claims. How to read a label
- Put two products, brands, or ingredients side by side to see label-declared differences at a glance. Compare
- Check how common an ingredient really is across the catalog before paying a premium for it. Browse ingredients
- Quote national catalog totals from the live statistics page when you need a single citable DSLD snapshot. Catalog statistics
The DSLD records label data, not independent lab testing, so actual contents can differ, and a label here may predate a manufacturer's current formula. Always confirm with the manufacturer and a healthcare provider.
About this data
How PlainVitamins works, and why you can trust these labels
What this site is
PlainVitamins makes the NIH Dietary Supplement Label Database (DSLD) searchable and comparable. Every product record is a label-on-file entry cataloged by the NIH Office of Dietary Supplements, not an FDA approval or efficacy verification.
Editorial process
- Source. Download the NIH DSLD data export, which catalogs supplement labels marketed in the United States through direct collection, manufacturer submissions, and research surveys.
- Verify. Parse product name, brand, UPC, serving size, and ingredient amounts exactly as declared on the label, we do not modify ingredient data from what is cataloged in the DSLD.
- Publish. Compile per-product and per-brand pages; rows lacking a disclosed value show "Not disclosed on label" rather than a fabricated number, and per-ingredient context follows the NIH ODS Health Professional Fact Sheets.
Editorial independence & corrections
PlainVitamins is an independent portal and is not affiliated with the NIH, the Office of Dietary Supplements, or any supplement manufacturer. Found an error? File a correction via the contact page. See our methodology for full source attribution and known limitations.
Frequently asked
What data does PlainVitamins provide?
PlainVitamins provides NIH Dietary Supplement Label Database (DSLD) records covering 113,539 product labels, 4,271 brands, and 4,622 distinct ingredient groups. Inclusion in the DSLD is a label-on-file record, not an FDA approval or efficacy verification.
Can I compare supplement brands?
Yes, browse by brand, ingredient, or product type to compare label claims and serving sizes across products. Per-ingredient amounts and Daily Value percentages are shown when manufacturers disclosed them on the label submitted to the NIH; rows that lack these values display "Not disclosed on label" rather than a fabricated number.
Where does the data come from?
All label data is sourced from the National Institutes of Health (NIH) Office of Dietary Supplements (ODS) Dietary Supplement Label Database (DSLD), which catalogs supplement labels marketed in the United States. Reference Daily Value (DV) percentages follow FDA 21 CFR 101.9 / 101.36. Editorial commentary and ingredient context is compiled by our editorial process.
Download the catalog statistics extract cited on this page: dsld-catalog-statistics.csv (CC0).