# FDA Warning Letter: XO Biologix, LLC
> 2025-01-07 · Center for Biologics Evaluation and Research (CBER) · `3014eff4e1fb8276`
## Letter
- **Company:** XO Biologix, LLC
- **Posted Date:** 2025-01-07
- **Letter Issue Date:** 2024-12-12
- **Issuing Office:** Center for Biologics Evaluation and Research (CBER)
## Subject
Unapproved New Drugs/Adulterated
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*Source: [FDA Warning Letters](https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/compliance-actions-and-activities/warning-letters) · AI Analytics · CC0 1.0*