Third-party seals on supplement labels
9 lists from the NIH label database (January 2026 release); the largest, usda organic seal, holds 3,900 of its 116,682 products. Products whose labels print a certification seal: USP Verified, NSF, Informed Sport, Non-GMO Project, USDA Organic and others. A seal is the label's claim; each certifier keeps its own list to confirm it.
All 9 lists
USDA Organic seal
3,900 products (3.3% of all), 3,229 on the market
Certified gluten-free (GFCO)
2,295 products (2.0% of all), 1,878 on the market
Certified Vegan (Vegan Action)
1,508 products (1.3% of all), 1,120 on the market
NSF certified (contents or GMP)
1,351 products (1.2% of all), 1,092 on the market
Informed Sport or Informed Choice
1,086 products (0.9% of all), 828 on the market
USP Verified mark
374 products (0.3% of all), 301 on the market
NSF Certified for Sport
158 products (0.1% of all), 93 on the market
BSCG Certified Drug Free
96 products (0.1% of all), 75 on the market
Non-GMO Project Verified
76 products (0.1% of all), 64 on the market
Source: NIH ODS Dietary Supplement Label Database version 9.4.0, current labels.