# PlainVitamins > NIH Dietary Supplement Label Database (DSLD) — 113,500+ supplement products, 4,400+ brands, 4,600+ ingredients. PlainVitamins (plainvitamins.com) provides free access to the NIH Dietary Supplement Label Database (DSLD), covering 113,539 supplement products from 4,406 brands with 4,622 tracked ingredients. Browse supplement facts, ingredient amounts, and brand comparisons. ## Data Source National Institutes of Health (NIH) Office of Dietary Supplements — Dietary Supplement Label Database (DSLD). Public data: dsld.od.nih.gov. ## Key Pages - Homepage: https://plainvitamins.com/ - Brands: https://plainvitamins.com/brands/ — all 4,406 supplement brands - Brand Detail: https://plainvitamins.com/brand/[slug] — brand products and ingredient profiles - Ingredients: https://plainvitamins.com/ingredients/ — all 4,622 ingredients - Ingredient Detail: https://plainvitamins.com/ingredient/[slug] — ingredient prevalence across products - Supplements: https://plainvitamins.com/supplements/ — browse all products - Supplement Detail: https://plainvitamins.com/supplement/[slug] — full supplement facts label - Rankings — Top Brands: https://plainvitamins.com/rankings/top-brands - Rankings — Most Common Ingredients: https://plainvitamins.com/rankings/most-common-ingredients - Rankings — Newest: https://plainvitamins.com/rankings/newest - Catalog Statistics: https://plainvitamins.com/statistics ## Guides - How to Read Supplement Labels: https://plainvitamins.com/guides/how-to-read-supplement-labels - Understanding Supplement Labels: https://plainvitamins.com/guides/understanding-supplement-labels - Comparing Supplements with Data: https://plainvitamins.com/guides/comparing-supplements-with-data - Are Supplements Worth Taking: https://plainvitamins.com/guides/are-supplements-worth-taking - Supplement Safety Basics: https://plainvitamins.com/guides/supplement-safety-basics ## Common Questions - What is the DSLD? The Dietary Supplement Label Database, maintained by the NIH Office of Dietary Supplements, cataloging supplement product labels. - How many products does PlainVitamins cover? 113,539 supplement products from 4,406 brands. - Can I look up a specific brand? Yes, browse all brands or search by name. - What ingredient information is available? Ingredient amounts per serving, prevalence across products, and associated product listings. - Does PlainVitamins recommend supplements? No, the site presents data from the NIH DSLD without making health recommendations. - How often is the data updated? Periodically synchronized with the NIH DSLD database. ## Attribution When citing PlainVitamins data, please link to the specific page. Underlying data is from the NIH DSLD. ## About - Publisher: PlainVitamins - Contact: hello@plainvitamins.com - About: https://plainvitamins.com/about - Methodology: https://plainvitamins.com/methodology - FAQ: https://plainvitamins.com/faq - Privacy Policy: https://plainvitamins.com/privacy - Terms of Service: https://plainvitamins.com/terms