USP Verified Dietary Ingredients

USP is not currently accepting applications for Dietary Ingredient verification services.

Dietary ingredients are verified through:

  • Manufacturers' quality systems audits for Good Manufacturing Practices compliance
  • Ingredient manufacturing and quality control documentation review
  • Ingredient sample laboratory testing from selected lots for compliance with label claims and USP program requirements
  • Post-verification testing to ensure Verified ingredients continue to comply with program requirements

USP tests are carried out in accordance with the USP's official or proposed standards for dietary ingredients, and against international guidelines where applicable.

Current Verified Dietary Ingredient Participants


ArginoCarn Sigma Tau Logo

Manufactured by Sigma Tau

  • Acetyl L-Carnitine Arginate Dihydrochloride
ArginoCarn Sigma Tau Logo

Manufactured by Balchem Corporation

  • Choline Bitartrate Regular
  • Choline Bitartrate Conditioned 20M
  • Choline Bitartrate Conditioned 40M
  • Choline Bitartrate Conditioned Regular
  • Choline Bitartrate (intermediate)
  • Choline Chloride
  • Choline Chloride 1%
Yantai Dongcheng Biochemical Co., Ltd Logo

Manufactured by Yantai Dongcheng Biochemical Co., Ltd.

  • Chondroitin Sulfate Sodium
Huaian MDC Chemistry Co. Ltd. Logo

Manufactured by Huaian MDC Chemistry Co. Ltd.

  • Chondroitin Sulfate Sodium
GlycoCarn Sigma Tau Logo

Manufactured by Sigma Tau

  • Glycine Propionyl L-Carnitine Hydrochloride
Kingdomway Group

Manufactured by Inner Mongolia Kingdomway Pharmaceutical Limited

  • Ubidecarenone (Coenzyme Q10)
Ocean Nutrition Canada Logo

Manufactured by DSM Nutritional Products Canada Inc. and DSM Marine Lipids Peru S.A.C.

  • MEG-3™
  • Natural Fish Oils (NF)
    EPA1T1600 MEG-3 Fish Oil
    OMEGA3T1000 MEG-3 Fish Oil
    OMEGA3T1010 MEG-3 Fish Oil
    EPA1T1605 MEG-3 Fish Oil (Steam Deodorized)
    OMEGA3T1005 MEG-3 Fish Oil (Steam Deodorized)
    OMEGA3T1015 MEG-3 Fish Oil (Steam Deodorized)
  • Natural Fish Oil Concentrates (NFC)
    EPA1T1800 MEG-3 Fish Oil
  • Triglycerides Concentrates (TGC)
    EPA5T1000 MEG-3 Fish Oil
    EPA3T1600 MEG-3 Fish Oil
    EPA2T1350 MEG-3 Fish Oil
    EPA2T1700 MEG-3 Fish Oil
    EPA2T1900 MEG-3 Fish Oil
    DHA4T1200 MEG-3 Fish Oil
    DHA3T1600 MEG-3 Fish Oil
    EPA3T1200 MEG-3 Fish Oil
    EPA4T1000 MEG-3 Fish Oil
    DHA4T1000 MEG-3 Fish Oil
    DHA4T1400 MEG-3 Fish Oil
    DHA2T1505 MEG-3 Fish Oil (Steam Deodorized)
    EPA3T1015 MEG-3 Fish Oil (Steam Deodorized)
    EPA5T1005 MEG-3 Fish Oil (Steam Deodorized)
  • Ethyl Esters Concentrates (EEC)
    EPA3E1000 MEG-3 Fish Oil
    EPA3E1010 MEG-3 Fish Oil
    EPA2E1700 MEG-3 Fish Oil
    EPA2E1900 MEG-3 Fish Oil
    EPA4E1000 MEG-3 Fish Oil
    EPA4E1600 MEG-3 Fish Oil
    EPA3E1620 MEG-3 Fish Oil
    EPA3E1200 MEG-3 Fish Oil
    EPA2E1600 MEG-3 Fish Oil
    EPA3E1600 MEG-3 Fish Oil
    DHA5E1300 MEG-3 Fish Oil
    EPA5E1000 MEG-3 Fish Oil
    DHA3E1200 MEG-3 Fish Oil
    DHA4E1400 MEG-3 Fish Oil
    EPA3E1100 MEG-3 Fish Oil
    EPA3E1610 MEG-3 Fish Oil
    OMEGA7E1000 MEG-3 Fish Oil
    EPA3E1005 MEG-3 Fish Oil (Steam Deodorized)
    EPA3E1605 MEG-3 Fish Oil (Steam Deodorized)
    DHA4E5205 MEG-3 Fish Oil (Steam Deodorized)
    DHA3E1205 MEG-3 Fish Oil (Steam Deodorized)
    EPA4E1005 MEG-3 Fish Oil (Steam Deodorized)
    EPA4E5205 MEG-3 Fish Oil (Steam Deodorized)
    DHA3E1405 MEG-3 Fish Oil (Steam Deodorized)
    EPA3E1615 MEG-3 Fish Oil (Steam Deodorized)
Parry Nutraceuticals

Manufactured by E.I.D. PARRY (India) Limited, Parry Nutraceuticals Division

  • Organic Spirulina (Arthrospira Platensis) Powder
PuraPharm International (HK) Limited Logo

Manufactured by PuraPharm International (HK) Limited

  • Fructus Crataegi Formula Granules
  • ONCO-Z Coriolus Versicolor Extract
  • Radix Astragali Formula Granules
Shenzhou Biology logo

Manufactured by Shenzhou Biology & Technology Co., Ltd.

  • Coenzyme Q10 (Ubidecarenone)

Manufactured by Meitek Technology (Qingdao) Co., Ltd.

  • Chondroitin Sulfate Sodium (Porcine and Bovine)

Manufactured by Rovafarm Argentina S.A.

  • Chondroitin Sulfate Sodium (Bovine)