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Supplement Seal Check

What GMP means for supplements

21 CFR Part 111 sets FDA's current good manufacturing practice rules for making, packing, labeling and holding dietary supplements. [1]

How programs use GMP

USP audits manufacturing sites against 21 CFR Part 111 and USP chapter <2750>. [2]

NSF Certified for Sport includes production facility and supplier inspections. [3]

BSCG Certified Drug Free includes GMP compliance alongside lot testing. [4]

Sources

  1. eCFR (U.S. Code of Federal Regulations) — 21 CFR Part 111: cGMP for Dietary Supplements retrieved 2026-10-27
  2. USP — Dietary Supplement Verification Program manual for participants retrieved 2026-10-27
  3. NSF — Certified for Sport Program retrieved 2026-10-27
  4. BSCG — Third-party Certified Supplement Products database retrieved 2026-10-27