• English
• Español
• 中文
• Português

• About USP
• USP–NF
• Food Chemicals Codex
• Pending & Non-US Standards
• Reference Standards
• USP Verified
  • USP Verified Dietary Supplements
  • USP Verified Dietary Supplement Ingredients
    • Participating companies
    • Verified supplement ingredients
    • Verification process
    • Participant manual and education resources
    • Frequently asked questions
  • USP Verified Pharmaceutical Ingredients
• Pharmacopeial Education
• USP in Developing Countries
• Meetings
• Products

Companies Participating in the USP Ingredient Verification Program

The manufacturers listed below have chosen to participate in USP's Ingredient Verification Program and submit selected ingredients for verification.

• Bioriginal
• Hetian Dichen Pharmaceutical & Bio-technol. Co., Ltd.
• Huaian MDC Chemistry Co. Ltd.
• Inter Farma S.A.
• Meitek Technology (Qingdao) Co. Ltd.
• Ocean Nutrition Canada
• Parry Nutraceuticals
• Pura Pharm International Ltd.
• Shenzhou Biology & Technology Co. Ltd.
• Sigma-Tau Health Science, Inc.
• Tangshan Sanxin Biochemical Products Co. Ltd.
• TSI Health Sciences, Inc.
• Yantai Dongcheng Biochemical Co., Ltd.
• Zhejiang Medicine Co., Ltd. Xinchang Pharmaceutical Factory (ZMC)