Sugar cravings: where they really come from and how to break the cycle

You know the scene. Lunch is over, the day goes on, and around 4 or 5 pm an idea settles in: something sweet. A biscuit, a square of chocolate, a bit of bread with jam. You try to think about something else. The idea comes back, stronger. You end up giving in, you feel better for ten minutes, and an hour later you start again.

I've been through it hundreds of times. And the worst part wasn't the sugar. It was the guilt, and the idea that I lacked willpower. It took me a long time to understand that willpower had nothing to do with it. A sugar craving is a signal. Once you know how to read it, you don't need to fight anymore.

Why craving sugar isn't a lack of willpower

Sugar is the fastest source of energy there is for your brain. When your body detects a shortage of available energy, or a dip in certain neurotransmitters, it triggers a craving for sugar. It's a survival reflex, wired long before biscuits were invented.

This reflex is set off by five main things: falling blood sugar, fatigue, stress, lack of sleep, and a phase of the cycle. None of these five is a matter of character. They're physiological states, and each has its own answer. Resisting with willpower means fighting a signal without dealing with what's sending it. It works for a day, not for a month.

Blood sugar rollercoaster: the real culprit

Trigger number one is blood sugar. When you eat fast carbs (white bread, pastries, juice, biscuits, but also a pasta dish without protein), your blood sugar rises fast. Your pancreas responds with insulin, often too much. Blood sugar comes crashing down, sometimes lower than where it started. And your brain, sensing that crash, sends the only message it knows: "sugar, now".

If you answer with sugar, you set off another spike, then a crash, then a craving. That's the cycle. And it very often starts at breakfast: toast with jam, cereal, orange juice is a guarantee of a craving at 10:30, then at 4 pm.

What breaks the cycle isn't cutting sugar. It's smoothing the curve:

• Protein at every meal, breakfast included. This is the most powerful lever. A breakfast with 20 g of protein changes the whole day.
• Fibre before carbs: vegetables first, starch last.
• Slow carbs rather than fast ones: rolled oats rather than cereal, sweet potato rather than white bread, whole fruit rather than juice.
• A ten-minute walk after the meal, which gets your muscles to use the glucose before it sends your blood sugar up.

Fatigue, stress, sleep: the other triggers

Fatigue. A tired brain looks for the fastest energy. If you crave sugar at 3 pm after a short night, it isn't hunger, it's fatigue in disguise. The answer is a break, a walk, water, not a biscuit.

Stress. Cortisol, the stress hormone, raises blood sugar to prepare the body to react. When stress is chronic, blood sugar swings back and forth all day, and cravings follow. On top of that, eating sugar genuinely calms stress for a few minutes, which reinforces the habit. That's the famous "emotional sugar", and it has a physiological basis.

Lack of sleep. A single short night is enough to disrupt leptin, the satiety hormone, and ghrelin, the hunger hormone. The result: more hunger, less satiety, and a marked preference for sweet and fatty foods. If your cravings come in waves, look at your nights from the previous week.

The evening. The craving for sugar or crisps after dinner, in front of a screen, combines everything: the day's fatigue, the release of stress, habit, and often a dinner that was too light or too low in protein. The first reflex is to check whether dinner actually filled you up.

Sugar before your period: normal and manageable

This is the trigger that generic articles forget, and for us it's often the strongest.

In the second half of the cycle, the luteal phase, progesterone rises and insulin sensitivity drops. The same breakfast that went down fine at the start of the cycle causes a higher spike and a sharper crash. At the same time, the drop in oestrogen at the end of the cycle lowers serotonin, and carbohydrates are the fastest way to bring it back up.

In Solaia's phase-by-phase symptom mapping, cravings are listed as a typical symptom from day 5 of the luteal phase until your period. If your sugar cravings always come back at the same time of the month, that's it. It's not a relapse, it's your cycle.

What I do specifically on those days: I raise slow carbs at every meal, I never skip the 4 pm snack, I raise magnesium, and I accept eating a bit more. I go into detail in my article on eating in the luteal phase.

My anti-craving strategies that actually work

Here, in the order I adopted them, is what genuinely changed things. No rules of prohibition, only rules of addition.

1. A protein-rich breakfast. Eggs, Greek yoghurt, porridge with almond butter and flaxseeds, chickpea omelette. The day I replaced my toast with eggs, the 10:30 craving disappeared. Not decreased, disappeared.
2. A snack before the hunger. Around 4 pm, before the craving turns aggressive. A craving you anticipate is a snack. A craving you suffer is a raid.
3. Never sugar on its own. If I want something sweet, I pair it with a protein or a good fat: fruit with almonds, dark chocolate after the meal, a chia pudding. Accompanied sugar doesn't restart the cycle.
4. Water first. Some of the afternoon sugar cravings are thirst. A big glass of water, ten minutes of waiting, and often the craving has passed.
5. Recognise the trigger. I ask myself one question: am I hungry, or am I tired, stressed, or in my luteal phase? The answer changes what I do. Fatigue is fixed by a break, not a biscuit.
6. Reduce gradually, never abruptly. Passeport Santé points out that the effects of cutting back on sugar are felt quickly, within days, on energy and sleep. But going cold turkey causes even stronger cravings during the first week. I prefer to replace one sweet food per week.

The snacks that kill the craving without frustration

A good anti-craving snack meets three criteria: it contains a protein or a good fat, it contains fibre, and it has a taste that answers the craving. Here are the ones I make, with the anti-inflammatory score of the corresponding recipes in Solaia:

• Raw cacao chia pudding (score 85): chia seeds, almond milk, raw cacao, mashed banana. It's my answer to chocolate cravings.
• Berry chia pudding (score 90), made the night before in a jar.
• Cacao and avocado smoothie bowl (score 85): avocado, frozen banana, raw cacao, almond milk. It has the texture of a chocolate mousse.
• Tamari-roasted pumpkin seeds (score 88), for salty cravings, which often come from the same causes.
• Hummus toast with pepper sticks (score 92).
• An apple or a pear with a handful of almonds. The duo that works every time.
• Two squares of dark chocolate at 70% or more, at the end of a meal.

And one important point: dark chocolate isn't the enemy. It brings magnesium, it calms the craving, and two squares after a full meal don't trigger any spike. It's the bar of milk chocolate at 5 pm on an empty stomach that's the problem.

What I take away

A sugar craving is a message, not a flaw. Most often it says "my blood sugar is crashing", sometimes "I'm tired", "I'm stressed", "I slept badly", or "I'm in my luteal phase". Each message has its answer. Protein in the morning, a snack before the hunger, never sugar on its own, water, sleep, and a bit of kindness towards yourself in the ten days before your period.

If you want to understand your own cravings, note them for one cycle: the time, what you ate before, how you slept, and where you are in your cycle. In two weeks, you'll see the pattern. And a pattern can be changed.