TUMMYTOX blogs.

Why can’t I lose weight? The truth behind ‘eat less, move more’

‘Eat less, move more’ is a general slogan for weight loss. Although it sounds simple and manageable, losing weight is much more complicated (compared to gaining it – we all seem to be experts at that). 

You start eating better, working out more, maybe even skipping dessert now and then – but the number on the scale stays the same, or worse, it keeps increasing. 

You’re not imagining it, and no, your body hasn’t just ‘given up’. There’s a clear reason behind why you keep gaining weight and aren’t losing it. 

Let's break down why the kilograms pile up in the first place, how to tackle them, and finally, how to efficiently and sustainably lose weight for good

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So, why did the kilos sneak up on you?

It usually doesn’t happen overnight. One day your jeans feel a little snug, and suddenly it’s three months later and your “comfy, oversized clothes” become your true size. 

Here’s the thing: it’s rarely just one big mistake. Most of the time, weight gain comes from small habits piling up: 

  • Sleeping less than 8 hours per night messes with your hunger hormones and forces you to eat more the next day to replenish the lost energy 
  • Stress eating becomes a daily coping mechanism for all work-related pressure and too long to-do lists 
  • Sitting too much throughout the week slows down your metabolism and blocks your body from burning the food you consume 
  • Drinking calories without realising (hello, oat lattes, cocktails, smoothies, and sodas...)

But the main reason is eating more than your body needs – even if it doesn’t feel like it. That’s called a caloric surplus, and it’s the number one reason fat starts to stick, especially around your belly and hips. 

Is it really just ‘Eat less and move more’?

Technically, yes – weight loss is about burning more calories than you consume. But real life is a bit more complicated than that. 

The basic rule behind the mantra ‘eat less, move more’ is that body fat is simply a result of excess food intake. This theory states that you will lose weight if you consume less calories (food) than you burn (activity).  

This theory also assumes that no matter the food, all calories from it are digested the same and have the same effect on your weight loss – but this is not true

Not all calories are digested equal. 500 calories of chocolate won’t fill you up the same way 500 calories of chicken and veggies will. Protein (chicken) and fats (avocado) are digested much slower than carbs (bread, pasta, and even sugary foods), which makes you fuller for longer and stops you from snacking later in the day.  

But if you cut too many calories too fast, your body goes into ‘survival mode’ or more known as starvation mode. What happens is that your body is in shock from getting much less energy (from food) than it did before, and it holds on to fat reserves (where the excess calories are stored) to protect you. And this results in stagnant weight, even though you go by the book, and ‘eat less, move more’. 

So yes, a calorie deficit is the goal – but it has to be done smartly. No crash diets. No starving yourself. No pushing your body into survival mode. Just gently removing the excess calories while slowly increasing your activity level. 

How to calculate your calorie deficit (without going nuts)

Let’s keep it simple, first you need to know how many calories your body needs to simply exist (to keep your brain working, digestion going, breathing, and blood circulating), which is called BMR (basal metabolic rate): 

  • BMR for females: 655 + (9.6 x weight in kg) + (1.85 x height in cm) - (4.7 x age in years). 

Once you get to know your BMR, it’s time to calculate your maintenance calories – that's how many calories your body needs to maintain your weight.  

The simplest method is using the Harris-Benedict formula: 

Lifestyle

Days active per week

Maintenance calories

Sedentary

Little or none

BMR x 1.2

Lightly active

1-3 days

BMR x 1.357

Moderately active

3-5 days

BMR x 1.55

Very active

6-7 days

BMR x 1.725

Extra active

6-7 days and a physical job

BMR x 1.9

Then, it’s time to calculate your calorie deficit. Just simply subtract 500 calories from your maintenance calories to create a deficit. 
Example: If your body needs 2,000 calories to maintain weight, aim for 1,500–1,700 daily. 

And finally, track what you’re eating – even for just a week. This will allow you to understand your eating habits, which meals are too low in calories and which ones are too dense. It's best to divide your total daily calories (in a deficit) into 3 meals (of e.g. 500 kcal) to make it manageable. 

Plus, you might be surprised where the sneaky extras are coming from – it’s usually drinks, snacks, and sauces). 

Pro tip: Don’t go under 1,200 calories. It’s not safe, and it’s not sustainable. You’ll get deprived of nutrients, lose energy, mess with your hormones, and end up stuck in a cycle of ‘on and off’ weight. 

7 easy tricks to help you stay in a calorie deficit

Some say that starting is the hardest. But those who have tried various diets know that sticking with it shows the real strength. 

But the smallest changes in your daily routine often have the biggest impact. 
That's why we prepared 7 simple tricks to help you stick to your new calorie deficit

  • Eat breakfast: Make your first meal of the day the most important one. Pack it with complex carbohydrates such as wholegrain bread, protein (eggs, skyr, or Greek yoghurt) and fibre (fruit or veggies). Skip sugary foods, such as chocolate spreads, cereal, or croissants – they don’t fill you up and make you even hungrier later in the day. 
  • Stop drinking your calories: Oat lattes with caramel syrup, fruit juices, smoothies, and fizzy and energy drinks easily sum up to a lunch-worth of calories without noticing. Drink water, tea, or black coffee instead. 
  • Eat home-cooked meals: Restaurant and delivery food is usually so tasty because it’s packed with butter and oils – which also makes it highly caloric. Not to mention that the portions are really big. Cook your meals yourself, pack them with fibre and protein, and enjoy feeling full for much longer. 
  • Use a plate: Eat all your food from a plate or a bowl, including snacks. When you eat crisps right out of the bag, it’s too easy to eat more than you intend to. A large bag of crisps can sum up to more than 1,000 kcal. So, place one portion into a bowl and put the rest away. 
  • Skip seconds: Indulging in a second portion of lunch is basically eating two lunches instead of one. This doesn’t mean you’re still hungry, you just love food so much. Instead of refilling your plate, fill it once and keep extras in the kitchen. But if you still feel you need more, add a second portion of vegetables to avoid caloric surplus.  
  • Just say ‘no’ to fried foods: Fried foods are a favourite indulgence of many, especially with extra cheese on top during PMS. The big downside is that this type of food adds many calories to a simple dish. Instead of fried chicken, fish, or potato, choose grilled, broiled, or poached! It can save you up to 500 kcal per meal!  
  • Switch to low-calorie substitutes: Swap your usual double cream (100 ml has a whopping 467 kcal!) for 0% fat Greek yoghurt, which has only 54 kcal per 100 g. And be careful with oils – one tablespoon of olive oil has 120 kcal, but usually we just drizzle it all over our salads, which later results in 3 spoons of olive oil and 360 kcal. 

Stick to your calorie deficit easily with GLP-1 Shape & Burn

Even when you know what to do, eating less isn’t always easy. Your cravings don’t magically disappear just because you want to lose weight. And fat doesn’t burn by itself. 

That’s why GLP-1 Shape & Burn is your best ally. This orange-flavoured daily drink helps you naturally eat less and burn more fat – all by working with your body’s hunger and satiety hormones, while burning stubborn belly fat deposits

How does GLP-1 Shape & Burn ensure results? 

  • Makes you feel full in just 15 minutes 
  • Cuts your food intake by nearly 50*%
  • Reduces the hunger hormone by 67*% 
  • Doubles your body’s production of GLP-1 (the satiety hormone) 
  • Burns up to 50*% belly fat 
  • Slims your waist by up to 7* cm 
  • Decreases your hip size by up to 6.5* cm 
  • Only 1 drink a day – no pills, no complicated routines 

Formulated with scientifically proven CaroleanTM for reducing hunger hormone and increasing satiety hormone, this drink reduces your food intake by 47*%! Then, the clinically proven Morosil® burns up to 50*% of abdominal fat, decreases waist size by 7* cm and hip size by 6.5* cm!  

It’s hormone-free, gentle on your stomach, and backed by clinical studies. Basically, it helps you do the one thing that matters most: eat less and burn more – without the constant mental battle

Create a small calorie deficit. Eat food that actually fills you up. And let GLP-1 Shape & Burn make the process easier, faster, and way more manageable. 

Stop struggling and start slimming down – for real this time. 

Sources*

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Zhu Y, Hsu WH, Hollis JH. The impact of food viscosity on eating rate, subjective appetite, glycemic response and gastric emptying rate. PLoS One. 2013 Jun 20;8(6):e67482. doi: 10.1371/journal.pone.0067482. PMID: 23818981; PMCID: PMC3688614. 

Müller TD, Finan B, Bloom SR, D'Alessio D, Drucker DJ, Flatt PR, Fritsche A, Gribble F, Grill HJ, Habener JF, Holst JJ, Langhans W, Meier JJ, Nauck MA, Perez-Tilve D, Pocai A, Reimann F, Sandoval DA, Schwartz TW, Seeley RJ, Stemmer K, Tang-Christensen M, Woods SC, DiMarchi RD, Tschöp MH. Glucagon-like peptide 1 (GLP-1). Mol Metab. 2019 Dec;30:72-130. doi: 10.1016/j.molmet.2019.09.010. Epub 2019 Sep 30. PMID: 31767182; PMCID: PMC6812410. 

Cardile V, Graziano AC, Venditti A. Clinical evaluation of Moro (Citrus sinensis (L.) Osbeck) orange juice supplementation for the weight management. Nat Prod Res. 2015;29(23):2256-60. doi: 10.1080/14786419.2014.1000897. Epub 2015 Jan 15. PMID: 25588369. 

Titta L, Trinei M, Stendardo M, Berniakovich I, Petroni K, Tonelli C, Riso P, Porrini M, Minucci S, Pelicci PG, Rapisarda P, Reforgiato Recupero G, Giorgio M. Blood orange juice inhibits fat accumulation in mice. Int J Obes (Lond). 2010 Mar;34(3):578-88. doi: 10.1038/ijo.2009.266. Epub 2009 Dec 22. PMID: 20029381.