30 days without sugar: what happens in your body and how to beat cravings

Sugar is almost everywhere. It hides not only in chocolate and cake, but also in ready-made sauces, fruit yoghurts, sausage products and even in supposedly healthy muesli bars. Average consumption is far above the recommendations of the World Health Organization (WHO). The consequences: lack of energy, weight gain, poor skin and a constant craving for more.

Giving up added sugar for 30 days is one of the most effective methods to reset your metabolism and regain control over your diet. But what exactly happens in your body when you turn off the sugar tap? And how do you get through the critical moments? In this blog post you'll learn everything you need to know for this challenge.

The timeline: this is what happens in your body

A sugar withdrawal is demanding both physically and mentally. If you know what awaits you in the various phases, you can prepare yourself better.

Days 1 to 3: the hard withdrawal

The first days are usually the hardest. Your body was used to getting quick energy in the form of simple sugar, and now reacts with withdrawal symptoms. Common symptoms are headaches, tiredness, irritability and a massive craving for sweets. Your brain demands the accustomed dopamine release. In this phase it means: grit your teeth and drink plenty of water.

Days 4 to 10: the stabilisation

The worst of the withdrawal is over. Your blood sugar level begins to stabilise. The typical afternoon slump, which used to occur after lunch, grows weaker. Many report in this phase of a noticeably deeper and more restful sleep. You wake up more rested in the morning, because your blood sugar no longer fluctuates strongly during the night.

Days 11 to 20: the regeneration

Now the positive changes become perceptible and visible. Since sugar promotes inflammatory processes in the body, giving it up often leads to a noticeably clearer complexion and fewer blemishes. Your digestion also calms down, as the "bad" gut bacteria, which feed on sugar, are pushed back. An exciting side effect: your taste buds recover. Suddenly natural foods such as a carrot or a normal apple taste incredibly sweet to you.

Days 21 to 30: the new normality

You've almost made it. The craving for chocolate or gummy bears has almost completely disappeared. Your energy level is constant throughout the entire day, and mental clarity (no more "brain fog") is high. You've probably also lost a little weight or water retention, since your body has now learned to draw on its fat reserves more efficiently for energy production.

5 proven strategies against cravings

When the desire for sweets becomes overpowering, you need concrete action strategies. With these tips you'll beat the cravings:

• Increase protein and healthy fats: Sugar doesn't fill you up, whereas protein and fat do. Integrate eggs, nuts, avocado, lentils or low-fat quark into your meals. A satisfied body sends noticeably fewer craving signals to the brain.
• Track down hidden sugar: read the ingredient lists. Sugar often hides behind terms, that end in "-ose" (dextrose, fructose, glucose, sucrose) or are declared as maltodextrin and syrup.
• Fluid instead of sugar: Very often the brain confuses thirst with hunger. When the craving comes, first drink a large glass of water or an unsweetened tea and wait 15 minutes. Often the desire disappears on its own.
• Break routines: If you're used to eating chocolate in the evening in front of the television, that's a pure habit. Instead, go straight to the bathroom after dinner and brush your teeth. The minty taste in your mouth signals to the brain: food intake for today is over.
• Sleep enough: Lack of sleep leads to an increased release of the hunger hormone ghrelin and lowers the satiety hormone leptin. When overtired, you make worse dietary decisions and reach more readily for quick sugar.

Master craving situations cleverly

The trigger

The wrong habit

The smart strategy

Stress at the office

Reaching into the sweets drawer

Go outside for 5 minutes of fresh air or breathe deeply

Afternoon slump

A piece of cake and coffee

A handful of unsalted almonds and a large glass of water

Craving for dessert

Chocolate pudding

Plain yoghurt with a few fresh berries and cinnamon

Conclusion: is the effort worth it?

30 days without sugar are no walk in the park, but they are an extremely rewarding investment in your health. It's not about banishing sugar completely for the rest of your life. The goal of the challenge is much more to break the dependency.

After the 30 days you'll find that you no longer need sweets to get through the day. You regain the free power of decision over when and whether you consciously and with full enjoyment treat yourself to a piece of cake – without immediately falling back into the craving trap afterwards.

Do you want to be able to answer nutrition questions competently? With our nutrition coach training you become an expert in nutrition.

Frequently asked questions (FAQ) about 30 days without sugar

May I still eat normal fruit during the 30 days?

Yes, absolutely. This challenge is primarily about giving up added, industrial sugar (such as household sugar, syrup or honey) and heavily processed products. The fructose in whole fruit is bound to fibre, vitamins and water. As a result, it is absorbed much more slowly by the body, which spares the blood sugar level and fills you up. Just don't overdo it with dried fruit or fruit juices, as these are very concentrated.

Are sweeteners or stevia allowed as a substitute?

It is strongly recommended to also give up artificial sweeteners or calorie-free alternatives such as stevia, erythritol and xylitol during the 30 days. The goal of the reset is to wean your taste buds and your brain off the extreme sweetness. If you continue to sweeten everything artificially, the mental dependency on the sweet taste remains and the craving is not really beaten.

What can I do if I get severe headaches?

Headaches are a very common symptom in the first three to four days. Your body is reorganising its energy supply during this time. Drink considerably more water than usual – often two to three litres per day help. Also make sure you get enough salt (for example through a high-quality vegetable broth), since the body, due to the lower insulin level, excretes more water and electrolytes in the first days. Enough sleep and fresh air also work wonders.

Do I have to keep up the abstinence forever after the 30 days?

No, that's not the goal. These 30 days are about developing a new awareness of food and breaking the physical dependency. Afterwards you'll notice that many products suddenly taste far too sweet to you. You can then reintegrate sugar as a conscious pleasure into your everyday life (for example a piece of high-quality chocolate), instead of consuming it unconsciously on the side.

Does the abstinence also apply to carbohydrates like bread, pasta and rice?

No, you don't have to follow a low-carb or keto diet. Carbohydrates are important energy suppliers. However, you should switch from simple carbohydrates (white flour, normal pasta, polished rice) to complex carbohydrates. Wholegrain bread, oat flakes, brown rice, quinoa and pulses keep your blood sugar level stable and prevent, unlike white-flour products, nasty craving attacks.

Do you want to learn more about the topic of nutrition?

With the nutrition coach training you become an expert in nutrition questions.