10 Ways to Lose 20 kg in a Week
When someone decides to lose weight, there is often a temptation to look for instant methods that promise fast results, such as how to lose 20 kg in a week.
Although it seems promising, the fact is that losing that much weight in a week is not a reasonable goal. How much is a normal weekly diet? For healthy weight loss, it is recommended to focus on 0.5 kg to 1 kg as a realistic figure.[1]
However, don't get discouraged just yet! There are a number of safe and effective methods to accelerate the weight loss process without compromising your health. Discover how here!
Safe and Effective Ways to Reduce Weight
By adopting a healthy approach, you can experience a more enjoyable and less torturous weight loss journey. Here are 10 strategies that can be applied to accelerate your efforts:
1. Abstain from Carbohydrates Temporarily

Based on observations where individuals avoid carbohydrates such as rice and potatoes, and focus more on consuming fiber-rich and protein-rich foods, it was found that they could lose up to 2.4 kg in two weeks.[2]
2. Increase Mineral Water Consumption

Besides being refreshing, consuming 1.5 liters of mineral water every day can help suppress appetite, increase calorie burning, and speed up the fat-burning process.[3] This combination indirectly makes it easier for you to lose weight.
3. Add Protein to Your Diet

Consuming more protein than the recommended daily allowance (55 grams for men and 45 grams for women) will encourage weight loss and improve body composition.[4]
4. Engage in Aerobics

You can lose weight by doing aerobics. Doing this fun exercise more than three times a week for 15 minutes to an hour can burn about 66% of body fat.[5]
5. Walk 10,000 Steps a Day

Having a healthy body is easy! Just take the time to walk 10,000 steps every day.
This exercise can burn 300 to 400 calories in one go. As a note, 1 kg equals 7700 calories,[6] which means doing 10,000 steps over 10 days can shed about 0.5 kg of body weight.
6. Eat Slowly

Chewing food about 30 times and eating slowly for 20 minutes will increase the thermal effect. With a high thermal effect, the body can burn more calories during the digestion process.[7]
7. Practice Intermittent Fasting

Another way to lose weight quickly is by intermittent fasting.
Observations on obese people who practiced intermittent fasting with a 16-hour window experienced a body mass reduction of up to 2.2 kg. Meanwhile, fasting with an 18 to 20-hour window successfully reduced about 1.4 kg of body weight.[8]
8. Increase Fiber Intake

The more fiber you eat, the more body weight and fat are lost. For every additional 1 gram of fiber per 1,000 calories consumed, body weight decreases by 0.25 kg.[9]
9. Include Yogurt in Your Diet

Consuming one serving of yogurt in your daily diet will contribute significantly to body mass reduction, with a potential reduction of up to 33%.[10]
10. Consume Lemon Water

Making lemon water your primary drink choice can significantly boost the calorie-burning process in the body while accelerating metabolism, thereby helping you achieve your body mass loss goals more effectively and quickly.
Tips for Successful Dieting

In addition to the 10 strategies above, there are extra tips you need to consider for your diet to be successful, including:
1. Be Consistent
No matter how strict your diet is, results will not be maximized if your efforts are inconsistent. Create a detailed diet plan and stick to every step until you achieve the desired results.
2. Adjust Calories to Your Weight Target
Find the amount of calories needed to reach your ideal body mass. For example, if you are 150 cm tall and your target weight is 45 kg, you can eat about 1800 calories.
However, if your current body mass is quite far from your desired target weight, you can reduce calories gradually. For beginners, calorie reduction can start from 500 calories.[11] This will help you approach your weight target gradually and more safely.
3. Do Not Skip Breakfast
Not only does it make your body weak, skipping breakfast actually gives you a stronger desire for food. Therefore, always make time for breakfast and choose protein-rich menus so that your stomach stays full longer.
Given that how to lose 20 kg in a week or losing 15 kg in a 7-day diet is not possible, the methods above can help you achieve your ideal weight more safely and healthily. Remember, healthy weight loss requires time and commitment!
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