Learning that your fasting blood sugar level is close to the prediabetes zone can be worrying. We often speak of a prediabetes zone when blood sugar exceeds 1.10 g/L without reaching 1.26 g/L, even if the precise thresholds remain defined by the doctor and the laboratory.
The importance of losing weight when you have prediabetes
This figure means that the body handles sugar less well and the risk of type 2 diabetes increases. For many, this result is frightening, although it can above all serve as a beneficial brake.
The Centers for Disease Control and Prevention (CDC) recalls that the Diabetes Prevention Program reduced the onset of type 2 diabetes by 58% in people who lost 5 to 7% of their body weight and practiced at least 150 minutes of moderate physical activity per week.
For a 90 kg person, this represents only 5 to 6 kg less. With these benchmarks, the five key actions relate to posture, movement, weight, sleep and stress: a real action plan rather than a simple list of good intentions.
Prediabetes: 5 concrete tips to lower blood sugar
The first thing to do is not to cut out carbohydrates, but to replace refined products like white bread, sodas and pastries with whole grains, legumes, vegetables and whole fruits.
These fiber-rich foods slow sugar absorption and improve insulin sensitivity. An important concept to know is the glycemic index, useful for favoring foods that raise blood sugar more slowly, such as lentils or oats.
The second reflex is to move every day. The CDC recommends at least 150 minutes per week of brisk walking, cycling or swimming, supplemented by two strength training sessions. Even a 10-minute walk after meals already helps limit blood sugar peaks, because the muscles consume circulating glucose.
Physical activity, weight and prediabetes: what the studies say
Losing a little weight really makes a difference, but only if the doctor considers it useful. In the case of overweight, the rate of loss can last from 6 to 12 months, more suitable than an express diet. However, you can be prediabetes with a normal weight, hence the importance of personalized advice.
The French Diabetics Federation indicates that regular physical activity can reduce the risk of type 2 diabetes by 30 to 50%. In practice, this means integrating movement everywhere: getting off a station earlier, taking the stairs, adding two short muscle strengthening sessions per week. Each brick acts on insulin resistance and complements the effect of food.
Sleep, stress and medical monitoring in case of prediabetes
Finally, sleeping less than 6 to 7 hours disrupts hunger hormones and increases cortisol, which promotes high blood sugar.
Aiming for 7 to 8 hours of sleep, at regular times, in a dark, cool room, helps the metabolism recalibrate. Also set aside 10 to 15 minutes a day for a calming practice, such as deep breathing, gentle yoga, a quiet walk or music, to limit chronic stress that pushes the liver to release glucose.
These five levers never replace medical monitoring. The doctor checks blood sugar, glycated hemoglobin HbA1c, other risk factors, then adapts realistic goals for each person.
You understand: prediabetes requires regular clinical monitoring in order to measure progress and adjust diet and physical activity over time.