4-phenylbutyrate in dogs: the evidence

What the aging-research databases and the canine literature hold for 4-phenylbutyrate (names searched: 4-phenylbutyrate, 4 phenylbutyrate, 4‐phenylbutyrate). Compiled from DrugAge, the canine aging corpus and FDA CVM FOI summaries; nothing here is inferred.

Lifespan experiments in other species (DrugAge)

3 experiments recorded, by species: Mus musculus 2, Drosophila melanogaster 1.

NIA Interventions Testing Program rows

SpeciesStrainDoseAge at startDurationSexMean lifespan Δ%Mean sig.Max lifespan Δ%Max sig.Source
Mus musculusUM-HET31000 ppm food9 monthsuntil deathFemale-2S-6NSPMID 38041783
Mus musculusUM-HET31000 ppm food9 monthsuntil deathMale3NS3NSPMID 38041783

Other DrugAge rows (sample)

SpeciesStrainDoseAge at startDurationSexMean lifespan Δ%Mean sig.Max lifespan Δ%Max sig.Source
Drosophila melanogasterCanton S5 mMUnknown40NA41NAPMID 11792861

Lifespan experiments in dogs (DrugAge)

DrugAge records no dog lifespan experiment for this compound.

Dog-equivalent doses (allometric starting points, not recommendations)

Method: FDA 2005 Km body-surface-area conversion; starting-point heuristic only.

No mg/kg dose in DrugAge to translate (doses reported as ppm of diet or a concentration).

Canine aging literature (Europe PMC corpus)

0 corpus records mention this compound.

FDA CVM FOI summaries for dog products

No FDA FOI summary for a dog product contains this ingredient (it is not a marketed veterinary product).

Evidence gaps reported by the dossier tool

Reproduce: intervention_dossier(compound="4-phenylbutyrate") in dog-geroscience-mcp.