Dietary Supplement. Conjugated Linoleic Acid. CLA 1000 - Conjugated Linoleic Acid (CLA) is a structurally altered form (a serious of positional and geometric isomers) of the essential polyunsaturated fat, linoleic acid. CLA is present naturally in a variety of foods including red meat, lamb, turkey, milk and cheese. The active isomer of CLA (c-9, t-11) is incorporated into the phospholipid cell membranes of individuals fed this isomer mixture of CLA. Statements made have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.