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Feline Idiopathic Hypercalcemia (IHC) Diet Database
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Ehrlich et al. 2024 Criteria: Ca <200 mg/100kcal | Ca:P <1.4:1 | No urinary acidifiers (DL-methionine, calcium sulfate)
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Last Updated: March 04, 2026 | Data Source: Direct manufacturer typical analysis responses
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https://pmc.ncbi.nlm.nih.gov/articles/PMC10911303/
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BrandProduct NameTypeCa mg/100kcalP mg/100kcalCa:P RatioCa DM%P DM%DL-MethionineCaSO4Ehrlich StatusData SourceNotes
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WellnessComplete Health Chicken PateWet311960.16NoNoPASSMfr typical analysisGary gags on pate texture
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WellnessComplete Health Turkey PateWet322200.15NoNoPASSMfr typical analysisGary gags on pate texture
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CanidaePure Tuna/Chicken/Mackerel BrothWet1444110.35NoNoPASSMfr typical analysisShreds in broth - best wet option
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CanidaePure Tuna/Chicken/Whitefish BrothWet1504170.36NoNoPASSMfr typical analysisShreds in broth
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CanidaePure Salmon/Whitefish in BrothWet1835900.31NoNoPASSMfr typical analysisShreds in broth
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FrommPurrsnickitty Game Bird GrandeurDry2892381.211.261.04TraceNoFAILMfr nutritionist 3/3/26Lowest confirmed dry; website PDFs being corrected
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FrommPurrsnickitty Salmon SplendorDry3482891.21.471.22TraceNoFAILMfr nutritionist 3/3/26Website PDFs being corrected
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RCGI Fiber Response (dry)Dry300YesYesFAILEstimated from GANormalized Gary Ca to 9.8 despite failing; has acidifiers
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RCHydrolyzed Protein (dry)Dry300YesYes (#6)FAILEstimated from GACaSO4 is ingredient #6
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Tender & TrueOrganic Chicken & Liver (dry)Dry433NoNoFAILMfr typical analysisNo acidifiers but Ca too high
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Tender & TrueChicken & Brown Rice (dry)Dry527NoNoFAILMfr typical analysisNo acidifiers but Ca too high
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WellnessCH Grain Free Chicken (dry)Dry303NoNoFAILEstimated from GANo acidifiers; estimate only
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SmallsFresh Bird (cooked)Fresh265NoNoFAILMfr typical analysisAll Smalls varieties fail
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SmallsFresh Other Bird (cooked)Fresh493NoNoFAILMfr typical analysis
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Stella & Chewy'sVarious linesMixedVariesVariesFAILMfr typical analysisAll products tested fail Ehrlich
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Feline NaturalChicken & VenisonWet330NoNoFAILMfr typical analysis
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Feline NaturalLamb & SalmonWet780NoNoFAILMfr typical analysisExtremely high Ca
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