Review scope

This summary is based on the published abstract. We have not appraised the full methods, tables or supplementary material. Details absent from the abstract remain unverified.

Question and design

Aged Beagles assigned to groups balanced on baseline cognitive performance. Food containing 5.5% medium-chain triglycerides, continued for eight months. Comparator: Control food.

What was measured?

Learning, visuospatial performance, attention and circulating ketones.

Main findings

The supplemented group performed better on most tested tasks, with larger differences on harder tasks. Blood beta-hydroxybutyrate increased.

Study strengths

Baseline cognitive matching, a comparator and extended follow-up.

Limitations

Laboratory tasks in one breed are not the same as diagnosed dementia outcomes in diverse pet dogs. Full allocation methods were not appraised.

Researchers’ conclusion

The authors proposed MCT-derived ketones as an alternative energy source supporting aged-dog cognition.

Evidence.pet interpretation

The trial supports further investigation of a formulated diet. It does not establish dementia prevention or a home-supplement feeding amount.

Funding and conflicts

Not verified from the abstract; full declarations have not been reviewed.

Source and review date

Pan Y et al. Dietary supplementation with medium-chain TAG has long-lasting cognition-enhancing effects in aged dogs. British Journal of Nutrition. 2010. DOI: 10.1017/S0007114510000097.

Read the primary source · DOI record

STU-035. Reviewed 25 September 2026. Next review 25 December 2026.