# Food Additives Permitted in Feed and Drinking Water of Animals; Selenium
> **Food and Drug Administration** · Final amendment; order. · Published 2025-05-19 · Effective 2025-05-19 · 90 FR 21219
## Document
- **Document number:** 2025-08864
- **Category:** fda-food
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 90 FR 21219
- **CFR reference:** 21 CFR 573
- **Publication date:** 2025-05-19
- **Effective date:** 2025-05-19
- **HHS docket:** Docket No. FDA-2014-F-1184
## Abstract

The Food and Drug Administration (FDA, we, or the Agency) is amending the regulations for food additives permitted in feed and drinking water of animals to provide for the safe use of zinc L- selenomethionine as a source of selenium in complete feed for broiler chickens. This action is in response to a food additive petition filed by Zinpro Corp.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/05/19/2025-08864/food-additives-permitted-in-feed-and-drinking-water-of-animals-selenium)
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