FDA GUIDANCE · FINALMay 21, 2026

Guidance for Industry: Protein Efficiency Ratio (PER) Rat Bioassay Studies to Demonstrate that a New Infant Formula Supports the Quality Factor of Sufficient Biological Quality of Protein

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Guidance details are published by the U.S. FDA; SPEQ surfaces them for reference and is not affiliated with or endorsed by the FDA. The authoritative text is on fda.gov.

Status

Final

Topic

Infant Formula & Foods

Issue date

May 21, 2026

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