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U.S. Department of Health and Human Services


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Inactive Ingredients Database Download

The Inactive Ingredients files are supplied as (~) delimited text files. The size of each unzipped files is approximately 650 KB.

We update the database quarterly, by the tenth working day of April, July, October, and January.

Search Inactive Ingredients


Current Update



The data file contains six fields (columns):

  1. Inactive Ingredient
  2. Route; Dosage Form
  3. CAS Number
  4. UNII
  5. Maximum Potency Amount
  6. Potency Unit