To lose 2 kg (about 4.4 lbs) in a week, you need a daily calorie deficit of roughly 2,000-2,200 calories, achieved by burning significantly more calories than you consume through diet and exercise; however, this is extreme and often unsustainable, potentially leading to muscle loss and metabolic harm, so aiming for a more realistic 0.5-1 kg per week with a 500-750 daily deficit is healthier and recommended for most people.
To lose 2kg (about 4.4 lbs) a week, you need a significant daily deficit of approximately 2,200 calories, which is often unrealistic and unhealthy, as 1kg of fat equals about 7,700 calories, requiring a 15,400 calorie deficit weekly. A more sustainable and safe approach for most people is a 500-1000 calorie daily deficit for 0.5-1kg loss, often incorporating water weight loss, but losing 2kg of fat weekly requires extreme measures, so consulting a professional is recommended.
The ~500 calorie deficit that “Andrew” is currently implementing is universally recommended because a fat loss diet with an implemented moderate deficit of 500 calories is expected to result in the loss of 0.5-1 kg per week and subsequently 2-4kg per month.
Very Low-Calorie Diet (VLCD)
On a VLCD, you may have as few as 800 calories a day and may lose up to 3 to 5 lb (1.5 to 2 kg) week. Most VLCDs use meal replacements, such as formulas, soups, shakes, and bars instead of regular meals. This helps ensure that you get all of the nutrients you need each day.
Adele's significant weight loss wasn't from a quick fix but a two-year journey combining intense, varied workouts (strength training, Pilates, boxing, hiking, cardio) and lifestyle changes, driven largely by addressing anxiety and improving her mental health, though she also worked with trainers and focused on eating more whole foods while denying specific restrictive diets like intermittent fasting. She described getting "addicted" to exercise, often training multiple times daily, emphasizing getting stronger, not just losing weight.
Prior to starting any new eating plan, remember:
She lost 16 pounds in 3 weeks to fit into her vintage Met Gala gown. How did Kardashian lose weight? She says she cut carbs and ate “just the cleanest veggies and protein.” She also ran on a treadmill and wore a sauna suit twice a day. Kardashian's 3-week weight loss sparked concern over the impact on mental health.
20 Ways to Burn 500 Calories
There's no doubt that walking leads to more calories burned throughout the day. However, without understanding your net caloric balance, walking 10,000 steps, 15,000 steps, or even 20,000 steps a day might not be enough to cause any meaningful fat loss or improvements in body composition.
While 1,200 calories may be appropriate for a small number of people with very low energy requirements, for many adults—especially those who are active or have a larger frame—it's simply not enough. Eating too little can slow your metabolism, increase fatigue, and even lead to nutrient deficiencies.
Unlike Phogat, Kom successfully shed extra kilos by skipping, allowing her to compete and win a gold medal. Experts suggest combining a well-balanced diet with an effective fitness routine for rapid weight loss, emphasizing the benefits of high-intensity interval training (HIIT), strength training, and cardio workouts.
The 3-3-3 rule for weight loss is a simple, habit-based method focusing on three key areas: 3 balanced meals a day, 3 bottles (or ~1.5L) of water by 3 PM, and 3 hours of physical activity per week, aiming for consistency over complex diets. It simplifies fat loss by establishing rhythm through consistent eating, adequate hydration to support metabolism, and regular movement, promoting sustainable health without intense calorie counting or restrictive rules, says Five Diamond Fitness and Wellness, Joon Medical Wellness & Aesthetics, and EatingWell.
Being Hungry Does Not Make Losing Weight Easier. You should never think that shedding pounds means being hungry all the time. In fact, managing your ravenous appetite and avoiding hunger pangs is essential if you're trying to burn stored fat deposits.
Get enough B vitamins – B vitamins, in foods such as bananas, baked potatoes, eggs, orange juice, peanut butter, peas, spinach and whole-grain foods, are essential for a fully functioning metabolism. B vitamins help your body metabolize carbohydrates, proteins, and fats, and use the stored energy in food.
Being in too much of a calorie deficit could cause symptoms, including:
Kim Kardashian never confirmed Ozempic, but her ultra-slim frame in 2024 and 2025 kept rumors alive, especially after extreme dieting stories like crashing for the Met Gala dress.
The Kardashian Way to a Tiny Waist
One of the biggest fashion and workout trends of the past five years has been waist training, thanks in no small part to the iconic Kardashian sisters. Since 2014, they've taken turns showing off their signature hourglass curves, perfected with their “waist-snatching” waist trainers.
Kim Kardashian has publicly revealed diagnoses for psoriasis (an autoimmune skin condition she's managed for years) and, more recently, a small brain aneurysm, which she discussed on her reality show, The Kardashians, indicating it was discovered during scans and potentially linked to stress from her divorce. She later gave an update, assuring fans she was fine after further scans confirmed the aneurysm had been present for years and was stable.
22:2 fasting, also known as the OMAD (One Meal A Day) diet, is a form of intermittent fasting where you fast for 22 hours and eat all your daily calories within a compact 2-hour window, focusing on nutrient-dense foods to support weight loss, improve digestion, and boost mental clarity, though research on its long-term safety and effectiveness is limited. It's an intense, restrictive schedule that helps reduce overall calorie intake and may trigger autophagy (cellular cleanup), but requires careful attention to nutrition during the eating window to avoid deficiencies.
Compared with participants who slept 8.5 hours per night, participants who slept only 5.5 hours lost 55% less body fat and 60% more fat-free mass; they also had less-favourable changes in metabolic hormone levels and substrate and energy use.
Now, to lose around half a kilo of body fat, about 3,500 calories need to be burned. That means walking around 5 kilometers a day for 5 to 6 days a week could start showing noticeable results in a few weeks — especially when combined with balanced eating.