CLA is used for weight loss, carnitine the same- they work on fatty acids. Body builders use them also to stimulate hormonal changes in the chains of fatty acids.
Supposedly they increase energy and help with fat loss. However, scientific evidence is mixed if not downright skeptical. Don't believe the hype and save your money.
Linoleic acid is a protien building block used for muscle formation. L Carnitine is a enzyme that helps break down lactose (dairy) in your digestive system.
