NIH DSLD · ranked and reproducible · rebuilt 2026-09-04
Supplement Rankings
The most common ingredients, the largest brands, and the newest products across the NIH Dietary Supplement Label Database, ranked by transparent, count-based metrics you can verify on every record page.
- 4,324
- Top brand (BulkSupplements.com)
- 4,271
- Brands ranked
- 4,622
- Ingredients ranked
- 57.7%
- Labels still on-market
The catalog versus the shelf
Catalog size and still-listed labels tell different stories: NOW is #2 by filings (3,519) but only 27% remain on-market, while Herbal Terra's entire 1,564-label catalog is still listed, #2 by active assortment.
- 4,324
- BulkSupplements.com total labels
- 27%
- NOW still on-market
- 1,564
- Herbal Terra still listed
- 27,686
- Magnesium (active #1)
Counts are live from this NIH DSLD rebuild. A large catalog often means years of reformulations, not a better product. Prevalence is a filing fact, not a recommendation.
Most Common Ingredients
Label entries versus active substances: cellulose leads filings; magnesium leads the active cohort.
Largest Brands
Brands ranked by total DSLD labels and by labels still marked on-market. The two ladders diverge.
Newest Supplements
Recently added dietary supplements currently on the market, sorted by entry date in the NIH database.
Brand New-Label Changes
Brands ranked by YoY change in new NIH DSLD on-market labels (2024→2025 filing-year volume).
Largest brands by total DSLD labels
Same 12-brand set, reordered by labels still on-market
Top Brands by Product Count
Largest manufacturers and importers in the NIH DSLD by total registered product labels.
- 1. BulkSupplements.com 4,324 products
- 2. NOW 3,519 products
- 3. Douglas Laboratories 2,177 products
- 4. Herb Pharm 1,755 products
- 5. Nature's Way 1,749 products
- 6. Carlson 1,587 products
- 7. Herbal Terra 1,564 products
- 8. Jarrow Formulas 1,517 products
- 9. The Vitamin Shoppe 1,364 products
- 10. Solgar 1,035 products
- 11. Bluebonnet 965 products
- 12. Country Life 965 products
Most Common Ingredients
Most-listed label entries include excipients (Cellulose on 38,497 labels). Among active substances, Magnesium leads at 27,686 labels.
- 1. Cellulose 38,497 products
- 2. Silicon 35,582 products
- 3. Magnesium 27,686 products
- 4. Calcium 25,901 products
- 5. Gelatin 24,347 products
- 6. Water 23,862 products
- 7. Glycerol 19,903 products
- 8. Vitamin C 19,514 products
- 9. Carbohydrate 18,301 products
- 10. Fat (unspecified) 16,762 products
- 11. Flavor 16,727 products
- 12. Stearic Acid 16,395 products
How to use these rankings
Pick the ladder that matches the question. Catalog size and still-listed labels are different facts.
- Open the brand ranking when you want catalog size next to the on-market share. Largest brands
- Open the ingredient ranking when you need listed entries versus the active cohort. Most common ingredients
- Newest filings are a freshness cut, not a quality cut. Newest supplements
- Brand new-label YoY shows which catalogs filed more (or fewer) labels this year than last. Brand new-label changes
- Compare two products once you know which brand or ingredient you are checking. Open compare
PlainVitamins does not rate, recommend, or endorse products. Rankings count NIH DSLD label filings only.
How PlainVitamins Rankings Are Compiled
Our rankings are computed directly from the upstream dataset, not editorially curated and not influenced by advertisers. Each ranking surfaces a clear, reproducible metric (for example, count of products per brand, share of products within a category, or how many labels list an ingredient), and the underlying numbers are visible on the associated record pages so you can verify them. We recompute rankings whenever the upstream data refreshes, and we publish the refresh cadence on the methodology page.
What Rankings Mean (and What They Do Not)
A ranking is a useful lens, it tells you where to start looking, but it is not a judgment about quality, safety, or reputation. Being at the top of a count-based ranking typically reflects scale: more products from a brand, more labels listing an ingredient. It does not mean "better" or "worse." Whenever a ranking could be misread as a quality claim, we include an explanatory note on the page. When a ranking is share-based (share of a category, percent still on-market), we describe the denominator so you can sanity-check whether it fits your question.
Why We Publish These Rankings
Rankings make large public datasets navigable. Most visitors arrive with a question ("Which brand has the most products?" or "Which ingredients are most common?") and benefit from seeing a ranked list with direct links to the full records. Publishing ranked views of public data is a long-established practice in civic journalism; we are careful to surface the raw numbers, link to the official source, and avoid editorial spin. If a ranking ever implies a value judgment not supported by the data, please email us at the address on the contact page and we will review the wording.
Methodology, Sources, and Corrections
Every ranking is derived from the source dataset linked on the methodology page. We do not blend proprietary signals; we do not substitute editor opinion for data. If you believe a ranking is miscomputed or that a record is misclassified, please contact us with the specific record ID and the expected correction, and we will investigate within the next refresh cycle. Corrections that affect the published ranking are rolled forward immediately; minor formatting fixes go out with the next scheduled refresh.
Download the catalog statistics extract cited on this page: dsld-catalog-statistics.csv (CC0).
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.