The Inactive Ingredients files are supplied as comma delimited text and Excel files. The size of each unzipped file is less than 2 MB.
We update the database quarterly in April, July, October, and January.
Current Update
Previous Updates
The Inactive Ingredients download files from 2009 through 2015 are in the FDA Archive
The data file contains 7 fields (columns):
- Inactive Ingredient
- Route
- Dosage Form
- CAS Number
- UNII
- Potency Amount
- Potency Unit
Resources For You
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Content current as of:
04/29/2025
