There could be water weight gain right there--carbs take water to process. Your body doesn't really care about Saturday and Sunday. My weekends aren't any different calorically and carb-count wise than any other day.

Basic equation applies--are you eating too much? Despite all the talk, you can still not lose weight on LC if you eat too many calories. Can't tell from what you've written.

Agree about the supplements--they've helped me push away from the table. More exercise is almost always a good thing, too. Adding daily dog walks to my routine shifted about 5#.