—NIH DSLD DATA
SupLabel is a free supplement comparison database powered by the NIH Dietary Supplement Label Database (DSLD). It contains 94,708 supplement products from 5,711 brands, covering 39,752 unique ingredients with dosage, form, and daily value data.
Compare Every
Supplement Label
Search by ingredient. Compare dosages, forms, and daily values across thousands of products — straight from the FDA label data.
Browse by Category
8 categoriesPopular Ingredients
16 shownHow It Works
We Pull Label Data
Every product is sourced from the NIH Dietary Supplement Label Database — the official government record of supplement facts panels.
We Normalize Everything
Ingredient names, units, and dosages are standardized so you can compare apples to apples across thousands of brands.
You Compare & Decide
Search by ingredient, compare dosages side-by-side, and make informed decisions based on real label data.
Top Brands
Frequently Asked Questions
What is SupLabel?
SupLabel is a free supplement label comparison engine that uses data from the NIH Dietary Supplement Label Database (DSLD) to compare products by ingredient, dosage, form, and daily value.
How many supplements are in the SupLabel database?
SupLabel contains data from 94,708 supplement products from 5,711 brands, covering 39,752 unique ingredients.
Where does SupLabel get its data?
All data comes from the NIH Dietary Supplement Label Database (DSLD), a public domain (CC0) database maintained by the National Institutes of Health Office of Dietary Supplements.
Is SupLabel free to use?
Yes. SupLabel is completely free. The underlying data is public domain under CC0 license.