some people cannot lose with exercise alone. I use myfooddiary.com to track what I am eating, and it tells me what I am doing well and where I am lacking. Also drink plenty of water and cut the sodium.
Ouz, my trainer talked to me about the whey protein. She told me to use it as a meal replacement on those mornings when I wake up too late for breakfast or during a day when I don't get as much protein as I am supposed to. She also told me make sure the protein/carb ratio is at least 3 to 1, and that there is less than 300 cals per drink/serving/whatever. so I think if I follow those guidelines I will be alright. What kind of protein do you/did you use?
I used the generic GNC brand. It was much more affordable than the other brands, and I wasn't sure if I wanted to stay with it (which i dont use it any more). You are right though, if you use it as a meal supplement you should be fine. I was using in addition to my meals to help gain muscle mass. Which it also helped with that, but it added extra in places I didn't want it. I'm sure your trainer knows what they are doing, just wanted to give my take on it.