If you are surprised over how to lose weight in a week – a 7 days healthy diet plan will definitely work for you. First of all, make a list of your daily need of required food (try to seek help from your dietician). Also, keep in mind your current eating habits while setting your weight loss goals. Try to pen down the list of what you consumed in a day, as this will help you to keep an eye over your daily consumed calories. While setting your 7 days stay fit diet plan, always make sure to add fruits, vegetables, lean proteins and whole grains in your diet chart. Lastly, be strict with yourself and make sure to must follow this 7 days diet plan.