About the CLA. let's say you take it and it works. What happens when you quit taking it? I suppose you eventually go back to where you were before? Does that seem worthwhile to you, to spend a lot of money and then be right back where you started?
Isn't 175 a good weight for your height? Maybe you want to improve your body composition by gaining more muscle rather than just losing fat? If so, that's where your effort should go.