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Normal blood glucose values (blood sugar levels) vary depending on when and how they are measured.
The following are common ranges of normal blood sugar values:
1. Fasting Blood Glucose (Fasting Blood Glucose, refers to the blood sugar level after 8 hours of fasting):
- Normal range: 70-99 mg/dL (3.9-5.5 mmol/L)
2. Postprandial Blood Glucose, refers to the blood sugar level 2 hours after a meal):
- Normal range: less than 140 mg/dL (less than 7.8 mmol/L)
3. Random Blood Glucose (Random Blood Glucose, refers to the blood sugar level measured at any time of the day, regardless of the last time of eating):
- Normal range: less than 200 mg/dL (less than 11.1 mmol/L)
In addition, another commonly used indicator is glycated hemoglobin (HbA1c), which reflects the average blood sugar level in the past 2-3 months:
- Normal range: less than 5.7%
These ranges are for adults who do not have diabetes or other conditions that affect blood sugar levels. If blood glucose values fall outside these ranges, further medical evaluation may be needed to determine whether diabetes or other metabolic problems are present. Specific diagnosis and management should be performed by a medical professional.
About the principle of measuring blood sugar with a watch:
Our watch uses non-invasive spectroscopy technology combined with a sensor on the back of the watch to estimate blood sugar levels. These readings come from a combination of big data analytics and personal data collection to provide an estimate of blood sugar levels. Due to measurement environment and individual differences, the measurement results may have slight errors compared with professional medical equipment.After a standardized calibration procedure and continuous wearing for about a week, the watch intelligently learns through the acquired blood type data to achieve all-weather, non-invasive, and continuous blood glucose trend assessment. The non-invasive blood glucose monitoring technology is positioned as a "daily assistant". It monitors the wearer's blood characteristics throughout the day, realizes data visualization, and provides users who are concerned about blood sugar problems with reference for healthy eating, reasonable exercise, and rest, and helps prevent the occurrence of related diseases.
Note: There is a delay in app data synchronization, which takes approximately 1 to 2 hours.
So, when you first measure your blood sugar, it may be different from the actual value. This is because the watch hasn't collected enough data yet. After you wear it for a certain period of time, our watch can build a more stable analysis model based on your personal situation. At this time, the measurement of the watch will be more accurate. At the same time, you can check the data on the APP at any time and keep track of blood sugar changes at any time.
Our technology is under continuous development, please follow us for the latest information.
Blood glucose monitoring and calibration methods
You need to turn on the all-weather automatic monitoring function of the watch and view the data in the APP. The APP system statistically eliminates errors, calculates the average blood sugar value of the day, and begins to build your analysis model. For improved accuracy, you can also use the manual calibration feature. In the private mode of the APP blood sugar function, data is recorded 6 times a day. The following are recommended timings:
Test blood sugar before breakfast
Test blood sugar after breakfast
Test blood sugar before lunch
Test blood sugar after lunch
Test blood sugar before dinner
Test blood sugar after dinner
After entering the calibration value, the average value is obtained and saved. If you have a traditional blood glucose meter, you can also enter the values it monitors. This helps collect data faster and build stable analytical models. By comparing the data, you can see how your blood sugar fluctuates. You can effectively control your daily diet, activities, and other habits to improve blood sugar. If you want more accurate numbers, you need to wear the smartwatch for more than 7 days. The longer the recording time, the closer the blood sugar is to the accurate value.
When testing blood sugar, if you want to get accurate blood sugar values, you should avoid the following factors that affect blood sugar.
Factors affecting blood sugar levels
There are many factors that affect blood sugar levels, mainly including the following aspects:
1. Diet
Carbohydrate intake: Carbohydrates are the main food components that affect blood sugar levels, especially simple carbohydrates (such as sugar and refined flour).
Fiber intake: High-fiber foods (such as whole grains, vegetables, and fruits) help release sugar slowly and stabilize blood sugar levels.
Meal frequency and time: The frequency and time of eating can also affect blood sugar fluctuations. Regular eating habits can help keep blood sugar stable.
2. Exercise
Intensity and type of exercise: Both aerobic exercise (such as walking, running) and strength training (such as lifting weights) can lower blood sugar levels. High-intensity exercise may cause short-term increases in blood sugar.
Frequency of exercise: Regular exercise can help improve insulin sensitivity and help control blood sugar.
3. Drugs
Diabetes medications: Such as insulin and oral hypoglycemic drugs, which directly affect blood sugar levels.
Other medications: Certain medications (such as steroids, some high blood pressure medications) may affect blood sugar.
4. Health status
Insulin sensitivity: Insulin resistance is a characteristic of type 2 diabetes and causes elevated blood sugar levels.
Other health problems: Stressful conditions such as infection, surgery, trauma, etc. may cause blood sugar to rise.
Hormonal changes such as pregnancy and menstrual cycle can also affect blood sugar levels.
5. Mental state
Stress and mood: Mood swings such as stress, anxiety, and depression can affect blood sugar levels, causing blood sugar to rise through stress hormones such as cortisol and epinephrine.
6. Lifestyle
Sleep quality: Lack of sleep or poor sleep quality can affect insulin sensitivity, causing blood sugar levels to fluctuate.
Drinking and smoking: Excessive drinking and smoking can affect blood sugar levels, and alcohol can cause hypoglycemia or hyperglycemia, depending on how much and when you drink it.
7. Circadian Rhythm
Biological clock: The body's biological clock affects blood sugar level fluctuations throughout the day. For example, fasting blood sugar is often higher when you wake up in the morning due to the dawn phenomenon (the liver releases sugar during the night).
Understanding these factors and controlling them can help to better manage blood sugar levels, especially for people with diabetes. Regularly monitoring blood sugar, maintaining a healthy lifestyle, and working with a medical professional are keys to effective blood sugar control.
Notice:
1. this product monitoring data and the results are for reference only, not as a diagnostic and medical use, please do not by measuring the results to the diagnosis and treatment, follow the doctor's advice, if feeling unwell please timely medical treatment or online diagnosis and treatment.
2. 5-10 minutes before the measurement do not vigorous exercise, sitting or lying position, please don't talk in the measurement process.
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