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# Guide on Bioavailability Studies for Drug Submissions
- URL: https://www.fdaweb.com/guide-on-bioavailability-studies-for-drug-submissions/
- Published: 2022-04-15T12:00:00.000Z
- Updated: 2026-09-14T17:40:58.000Z
- Author: David McFarland
- Tags: FDA Policy/General, #legacy-id-D5151609

*Federal Register* notice: FDA is making available a final guidance entitled *Bioavailability Studies Submitted in* *NDAs or INDs — General Considerations*. The document provides recommendations to sponsors planning to include bioavailability information in INDs, NDAs and supplemental NDAs. To view the notice, click [here](https://www.govinfo.gov/content/pkg/FR-2022-04-15/pdf/2022-08114.pdf?ref=fdaweb.com).