Undoubtedly, possessing a slender and graceful figure like that of Korean female idols is a common aspiration among women. However, achieving such a beautiful physique requires a rigorous dietary and exercise regimen. When discussing the most successful and impressive weight loss transformations, IU's lightning-fast weight loss menu undoubtedly stands out. Nevertheless, there are numerous opinions regarding IU's weight loss diet. Let's explore together with Pasgo to see what makes IU's diet special and effective!
A Brief Overview of IU's Weight Loss Journey
IU, also known as Lee Ji-eun, is a South Korean singer, actress, and songwriter. She is a highly successful artist beloved by audiences for her talent and appearance. IU captivates viewers with her innocent, angelic, and petite charm.

Singer IU has achieved remarkable success in weight loss
However, initially, IU was criticized for being overweight and unattractive (her weight once reached 65kg). But thanks to relentless effort and a sensible weight loss plan, she achieved the dream figure.
IU's weight loss achievement can be considered extremely rapid to the point where some suspect she underwent cosmetic surgery. IU's results stem from an extremely strict exercise regimen and diet.
IU's 3-Day Weight Loss Menu
According to reports, after following the weight loss menu, IU was able to achieve a slim and toned figure. If you are overweight or need to lose weight quickly, you can refer to IU's 3-day or 7-day weight loss menu. Below is the menu for the 3-day regimen.
IU's Weight Loss Menu - Day 1
IU's diet plan for the first day is as follows:
- Breakfast: Sweet potato oatmeal
- Snack: Apple
- Lunch: Grilled chicken breast, 2 boiled sweet potatoes, and steamed vegetables
- Afternoon snack: 1 small strawberry oatmeal smoothie
- Dinner: Seaweed salad, steamed mushrooms, and 1 glass of protein
IU's Weight Loss Menu - The Following Day
After experiencing IU's weight loss diet on the first day, you'll definitely feel hungry. However, try to stick to this weight loss plan. Here are the meals for the second day of the weight loss process:
- Breakfast: 2 boiled sweet potatoes and 1 glass of milk (you can choose your favorite type of milk, but remember, no sugar).

Some dishes in IU's weight loss menu
- Pre-lunch snack: Have an apple 30 minutes before lunch.
- Lunch: Salmon accompanied by oatmeal porridge.
- Afternoon snack: 1 glass of carrot juice.
- Dinner: 1 glass of protein shake and a plate of steamed broccoli soup.
On the second day, you may notice that the energy-providing foods mainly consist of sweet potatoes and apples. Additionally, the female singer prioritizes fruit juices. And now, the crucial part is to combat that hungry stomach. Stay strong and persistent to achieve the desired physique!
IU's Weight Loss Menu - Final Day
After enduring 2 challenging days of weight loss, your body may have somewhat adapted to this diet regimen. Below is the menu for the final day of the 3-day weight loss plan:
- Breakfast: 2 boiled or steamed sweet potatoes.
- Pre-lunch snack: Have an apple 30 minutes before lunch.
- Lunch: Grilled chicken breast with vegetable salad.
- Afternoon snack: 1 glass of pomegranate juice.
- Dinner: A bowl of oatmeal porridge with spinach.
With just a few food items like the ones above, you'll surely feel hungry, but stay strong!
IU's 7-Day Weight Loss Menu
In addition to the 3-day weight loss menu, IU also shares a 1-week weight loss menu. In IU's 7-day weight loss menu, the first 3 days will feature similar food items as mentioned above.
Day 4 - IU's Weight Loss Menu
IU's Day 4 weight loss menu includes the following dishes:

These dishes help IU maintain a slim figure
- Breakfast: Steamed chicken breast, sweet potatoes, and 1 glass of almond milk.
- Snack: 1 small apple.
- Lunch: Oatmeal sweet potato porridge, steamed celery.
- Afternoon snack: Curb hunger with a grapefruit.
- Dinner: 1 glass of protein shake and a small bowl of bottle gourd soup.
During the weight loss process, you should supplement protein from chicken breast like IU. Not only does it provide protein to keep you full for longer, but it also contains relatively few calories, suitable for the weight loss journey.
Day 5 of IU's weight loss menu
Moving on to day 5, IU's menus consist of:
- Breakfast: Boost energy with 2 boiled sweet potatoes
- Snack: Have a small apple at least 30 minutes before lunch.
- Lunch: Vegetable salad and grilled chicken breast
- Afternoon snack: A glass of unsweetened orange juice
- Dinner: Only consume a single glass of protein shake.
Following the menu precisely can be challenging, but don't give up. The results achieved will surely make you feel truly deserving of your efforts.
Day 6 of IU's weight loss menu
- Breakfast: Start the day with 1 boiled sweet potato.
- Snack: Have 1 apple.
- Lunch: Vegetable salad and 1 bowl of brown rice.
- Afternoon snack: grapefruit
- Dinner: 1 glass of protein smoothie
To increase protein intake, IU often uses protein shakes. If you're not accustomed to or unable to purchase protein shakes, you can supplement protein through other sources such as tofu, chicken breast, nuts, etc.
IU's Weight Loss Menu - Final Day
So, on the final day of IU's weight loss regimen. Your body has undoubtedly undergone significant changes. Here's the menu for the last day:
- Breakfast: 1 small bowl of oatmeal porridge.
- Snack: Prepare your stomach with 1 apple 30 minutes before lunch.
- Lunch: 1 sweet potato
- Afternoon snack: 1 fresh orange
- Dinner: Only consume 1 protein shake.

Some dishes in the final day's menu
With the above weight loss menu, IU has truly lost 4.5kg in just 1 week, remarkably. Additionally, IU also added more water intake on days 5 and 7. IU drinks about 3 liters of water per day to hydrate, promote urination, and prevent wrinkles during rapid weight loss.
Assessing the effectiveness of IU's weight loss menu
There has been much debate about the effectiveness and safety of IU's weight loss menu:
Is IU's weight loss menu effective?
In terms of effectiveness, undoubtedly, this menu brings about the first effect with IU. And looking at the menu, we can see that the energy provided to the body will be lower than the daily requirement if you strictly follow IU's weight loss menu without any additional food. At this point, the body will use excess fat to perform the body's vital activities. However, to achieve results like IU's, you need to strictly adhere to the menu and combine it with exercise.
How long should you follow IU's weight loss menu?
According to IU's information, she applied this method for 1 month. And in the last week, she rapidly lost 8kg in 5 days. The main foods in IU's diet menu are apples and sweet potatoes because they are low in calories and rich in fiber.

You should follow IU's menu for about 1 month to see results
In fact, according to IU's weight loss formula, she only eats an apple for breakfast. At lunch, the singer eats 2 small sweet potatoes and drinks 1 protein shake in the evening. Following IU's weight loss menu correctly is truly challenging and requires patience. But if you want to see results, you should follow it for about 1 month.
Important Notes When Applying IU's Weight Loss Menu
Many people find IU's weight loss diet difficult to follow due to its strictness. It's not a sustainable eating plan as it poses several potential risks.
Losing excess fat is beneficial, but the most important thing is to maintain health. While this method may help you lose weight quickly, rapid and sudden weight loss isn't good for your body. Remember that losing weight scientifically and healthily, coupled with regular exercise, is always good for your health.
So, Pasgo and you have explored IU's weight loss menu together. In fact, there are many safe weight loss methods such as: intermittent fasting, adopting a weight loss breakfast menu, engaging in sports and exercise for weight loss, etc. Pasgo hopes you can consider whether to apply a weight loss method suitable for you to quickly achieve a slim and toned body. And during the weight loss process, you can reward yourself with a 'cheat day' - a day when you can enjoy your favorite foods (just remember not to overindulge!).
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