While losing 2kg in a week is possible, it may not be sustainable or healthy for everyone. Factors such as your current weight, body composition, and overall health can influence your weight loss progress. Many mums lose 2kg in a week by swapping out one of their daily meals with a meal replacement. These can often be in the form of a meal replacement smoothie like the Healthy Mummy Smoothies, which are milk protein-fortified and a protein-based shake. Others achieve this through exercise. 4. So, if you're willing to give it a shot, here are 8 simple ways how to drop 2 kg or more in just one week. How to lose weight fast: 8 ways to drop 2 kg in one week The leader of Yemen's Houthis warned on Wednesday they would strike U.S. warships if the Iranian-backed militia was targeted by Washington, which this week set up a multinational force to counter f5a9W.