It all depends!
However, it's not a very forgiving WOE (way of eating), and if you don't stick to it you will simply sabotage any weight loss. (It's not like calorie-counting, where you can compensate at one meal if you've eaten too many calories at another)
That said, it has an advantage over other diets in that by reducing your carbohydrate intake, you start to stabilise insulin levels in the blood. It's the insulin (very short summary!) that results in you laying down fat. When your insulin levels are stabilised, you're also stabilising two other key hormones, leptin and grehlin. This 'holy trinity' is what a) tells you you're hungry and b) makes you lay down fat.
So in short, a low carb diet will ensure that your appetite is under control. You won't be hungry between meals, (once your body has adapted to a low carb diet), and sometimes you may even find that you're not hungry at meal times as well.
If you decide to do it, here's what to expect: in the first week, you can lose a significant amount of weight. This will be made up of water (which would happen with any other diet), but also your glycogen stores (which doesn't happen with any other diet - glycogen is where your body is storing excess glucose, in your liver and your muscles). And also a little bit of fat. We have had people on Bootcamp lose as much as 12lbs in the first week - although that's exceptional!
By week 2, you may also lose quite a lot, but by now you should be losing more fat. In weeks 3 and 4, things slow down a bit - sometimes weight loss stops altogether in these two weeks for some reason - but after that, weight loss will continue at a slower pace, typically 1-2lbs a week, like any other normal diet.
So - it might be harder to follow in terms of being lower carb all the time (the world is made for high carbohydrate diets!), but the lack of hunger will make it easier to stick to - you need much less will power.
Why not come and join us on the Bootcamp threads? We're coming to the end of this Bootcamp now, but we keep the chat thread going, and there are always people who are low carbing anyway, regardless of a specific Bootcamp!