Methods of treating diabetes in an animal and food compositions useful for
treating diabetes are described. In one aspect of the invention, the
method includes treating the animal with a therapeutically effective
amount of CLA including 9,11-octadecadienoic acid and
10,12-octadecadienoic acid, isomers thereof, esters thereof, salts
thereof or mixtures thereof. In another aspect of the invention, a food
composition comprising a food product having a therapeutically effective
amount of a purified CLA isomer, including cis,cis-9,11-octadecadienoic
acid, trans,cis-10,12-octadecadienoic acid or a mixture of purified
cis,trans-9,11-ocatadecadienoic acid and trans,cis-0,11-octadecadienoic
acid is described.