Protein the building block of life is critical for lean tissue production among other important body functions.
My goal is to consume 1-1.5 grams of protein per lb. of body weight daily. This can get pretty caloric intensive in itself when calorie counting, but when protein consumption is the goal appetite is satiated and empty calories will be an afterthought. If you go over on your caloric intake goal for the day, but achieve this optimum amount of protein for muscle production level, you win. Remember, protein is thermogenic in itself and increases lean muscle mass, which elevates your resting metabolic rate. For every pound of increased lean muscle you will burn an extra 60 calories per day.
Low carbohydrates diets work. These diets are successful in reducing body fat not because of calorie restriction, but because your insulin production is being used to promote muscle growth instead of metabolizing carbohydrates. The mystery behind why low carbohydrate diets work without calorie restriction is due to the hormone levels it promotes in your body. I am a fan, but have a hard time saying no to delicious carbohydrates. What has been working for me is a more hybrid approach. One where my daily goal is to increase protein intake, but keeping track of my calories allows me to indulge in some biscuits and pasta every once in a while. To wrap it up, eat more meat than other stuff, it what your body wants.