Lean and tone system conjugated linoleic acids cla are a family of at least 28 isomers of linoleic acid found mainly in the meat and dairy products derived from cud chewing mammals called ruminants as the name implies the double bonds of clas are conjugated with only one single bond between them cla is a linoleic fatty acid and has long been used as a weight management formula within the sports nutrition and diet industry cla is an extremely popular product for dieters and over 30 clinica