This happens for nearly everyone. This first weight loss is mainly water, once thats out of teh way... then you being to start working on the fat loss which is slower and will be directly related to how well you.
In this order of importance
- Stay under your BMR (Basal Metabolic Rate) ie calories your body burns per day. In order to lose weight, you must have a calorie deficit.
- Staying under the 20 grams of carbs, this is to get your body to switch from carb fuel to fat fuel, eventually becoming "fat adapted". This can take about a month or up to 4 months for some people.
- Always hit your fat macro daily
- Try to keep your protein macro close to the recommended
Rinse and repeat daily, welcome to the ketogenic diet.