# FDA Warning Letter: Zing Brothers LLC
> 2023-02-28 · Division of Human and Animal Food Operations West IV · `9f00a559b173ee78`
## Letter
- **Company:** Zing Brothers LLC
- **Posted Date:** 2023-02-28
- **Letter Issue Date:** 2023-01-23
- **Issuing Office:** Division of Human and Animal Food Operations West IV
## Subject
CGMP/Dietary Supplement/Adulterated/Misbranded
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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*