This invention is directed generally to compositions (including foods, supplements, treats, toys, etc.) for animal consumption, particularly compositions that tend to aid in weight loss or reduction in weight gain, and particularly compositions that comprise one or more medium chain fatty acid triglycerides ("MCT"). This invention also is directed generally to methods for using such compositions. This invention is further directed generally to processes for making such compositions.L'invention concerne des compositions (des aliments, des suppléments alimentaires, des récompenses alimentaires, des jouets, etc.) destinées à la consommation animale. L'invention concerne en particulier des compositions facilitant la perte de poids ou la réduction de la prise de poids, notamment des compositions contenant au moins un triglycéride à chaînes moyennes d'acides gras (MCT). L'invention concerne encore des méthodes d'utilisation de ces compositions, ainsi que des procédés de fabrication associés.