Look What the Cat Dragged In: FDA’s Draft Guidance on Urinary Tract Health Claims for Cat Food
FDA Law Blog
DECEMBER 12, 2023
RSS is a measurement used to estimate the potential for crystal formation and bladder stone (urolith) growth, a common affliction in cats. Formulating cat food based on RSS methodology is a more recent dietary strategy whose principles apply to all urolith types. CaOx: Mean RSS ≤ 6.0; Upper bound of 95% CI ≤ 2.5
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