Netizens Swear by This Korean “4-Week Diet Plan” That Helped Them Shed 5KG Fast!

Koreans are often admired for their lean and sculpted physiques and one in particular diet plan may be the reason behind it.

The “4-Week Diet Plan” is currently a hot topic in Korea, with many raving about its effectiveness in achieving noticeable weight loss results.

Here’s everything you need to know about this popular diet trend.

Disclaimer: Make sure to consult with a healthcare professional before embarking on significant dietary changes. 

What’s the “4-Week Diet Plan” About?

This structured plan promotes gradual weight loss by focusing on healthy eating habits and metabolism support. Unlike extreme diets, it starts gently without requiring intense workouts, making it easier to follow.

As the weeks progress, light exercises are incorporated to aid fat loss. Many who have tried it claim to have lost up to 5kg in a month.

Here’s a breakdown of the plan:

Week 1: Prepping Your Body

The first step is resetting your eating habits while still enjoying three meals a day—with a few important rules:

Eat Slowly and Finish Meal by 6pm

Mindful eating plays a key role in this plan. Eating slowly and chewing thoroughly aids digestion.

Additionally, having dinner by 6pm, a practice followed by Bae Suzy, allows your body ample time to digest before bedtime. Snacking and sugary drinks are completely off-limits!

Related Read: These “Once-Chubby” Korean Celebrities Achieved Their Dream Figures – Here’s How!

Hydration, Hydration, Hydration!

Drinking at least two litres of water daily is essential. For example, TWICE’s Sana enhances hydration by mixing apple cider vinegar with sparkling water, which helps digestion while satisfying cravings for fizzy drinks.

Even without exercising, many report feeling lighter by the end of the first week.

Related Read: TWICE’s Sana’s Weight Loss Secrets for Maintaining a Healthy, Fabulous Figure

Week 2: Shifting to Two Meals a Day

Things start to get more intense from week two. You’re now limited to just two meals a day—breakfast and lunch while dinner is completely off the table.

If hunger kicks in, you can curb cravings with filling fruits like bananas.

Increase Water Intake to 3L Per Day

Hydration becomes even more important, with a daily goal of three litres. Many K-pop idols, including BLACKPINK’s Jennie, swear by this habit for clear skin and overall wellness.

Still No Exercise Required

Most weight loss at this stage comes from burning visceral fat. While hunger pangs may occur, many have noticed reduced bloating and improved digestion.

Week 3: Exercise and A Balanced Diet

By this point, your body has adjusted to the routine. This week focuses on nutrient-rich meals while incorporating light workouts.

Breakfast – Eat What You Enjoy

For breakfast, you have more flexibility. If you have a sweet tooth, take inspiration from MAMAMOO’s Moonbyul, who starts her day with two sweet potatoes and a cup of milk.

It’s a simple yet nutritious way to fuel up without relying on processed sugar.

Nutritious Lunch Choices

For lunch, focus on high-quality carbs that keep you full and energised. Options like sweet potatoes, oats, and beans provide sustained energy without spikes in blood sugar.

Light, Protein-Rich Dinner

For dinner, prioritise protein-rich foods to support muscle recovery and keep you feeling satisfied. Again, drink plenty of water and consider unsweetened tea for additional benefits.

Jung So-min, for instance, follows a low-sodium diet and ensures at least one daily meal consists of Korean food. She keeps her dinner light and fibre-rich to aid digestion.

Related Read: How Jung So-min Shed 10kg After ‘Playful Kiss’, Including Her No-Surgery Rule!

Time to Get Active

Now’s the time to start incorporating exercise!

Light cardio activities like skipping, brisk walking, or jogging are great for burning fat more efficiently.

If you need some motivation, check out Lee Si-young from Sweet Home 2 on Netflix. She mixes in fat-burning exercises like hiking and swimming into her routine and stays dedicated by hitting the trails at least twice a week.

Related Read: BLACKPINK’s Lisa Doesn’t Diet; She Does These 5 Things to Maintain Her Svelte Figure Instead

Week 4: Refining Your Lifestyle

The final week follows the same meal structure as week three, but by now, you’ll likely notice better portion control, a reduced appetite, and a leaner physique due to improved metabolism.

If you’ve incorporated strength training or yoga, you may also see a more toned and defined body—similar to BLACKPINK’s Jennie and Jisoo, who level up their fitness with aerial yoga.

This unique workout blends yoga with aerial acrobatics to improve strength, flexibility, and stress relief.

Related Read: Here’s What Jennie Eats and Does in a Day When Preparing for a Concert

This “4-week diet plan” is more than just slashing calories; it’s all about creating sustainable healthy habits. So, are you ready to try out the viral Korean “4-week diet plan”?

7 Lazy Hacks to Build a Slimmer Body Without Extra Effort

If you’re not quite ready for the full plan, here are simple habits to help with weight management effortlessly:

1. Prioritise Sleep – Getting at least 7 hours of rest regulates hunger hormones, preventing late-night cravings. Song Ji-Hyo values sleep as much as maintaining her physique.

2. Hug Your Knees Before Bed – Holding this stretch for 5 minutes improves circulation and promotes relaxation.

3. Start Your Day With Honey Water – Honey contains fatty acids that aid digestion and reduce bloating.

4. Eat Quality Carbs for Breakfast – Replace refined carbs with whole grains, oats, or sweet potatoes.

Korean actress Nana is a big foodie and loves treating herself to lobster rolls, pizza, and burgers on her cheat days. But she keeps things in check by being disciplined—drinking plenty of water, cutting back on salt and sugar, and steering clear of late-night snacks.

Related Read: Mask Girl’s Actress Nana Shares How She Gets Bikini-Body Ready

5. Avoid Crossing Your Legs – This seemingly harmless habit can restrict blood circulation and lead to thicker calves.

6. Drink a Large Glass of Water – 3Having a large glass of water 30 minutes before eating helps with portion control and prevents overeating.

7. Try the “16:8 Fasting Method” – The 16:8 fasting method has gained popularity among celebrities for its weight loss benefits. Taiwanese singer and actress Rainie Yang swears by this method, revealing that it helped her shed 6kg in just two months.

By eating within an 8-hour window and fasting for the remaining 16 hours, she was able to manage her weight while still enjoying her favourite meals in moderation.

Related Read: The hottest intermittent fasting methods to try, including the “204 method” that BTS’ Jungkook swears by

Featured Image Credit: somin_jj/Instagram, Netizen Buzz, & mo_onbyul/Instagram