What Is Normal Sugar Level In Fasting – The A1C test is a blood test that measures a person’s average blood sugar or blood sugar levels over the past 3 months. An A1C reading above 5.7% may be a concern, but it depends on a number of factors.
Doctors use the A1C test to check for diabetes and prediabetes. A range of 5.7–6.5% suggests that a person may have prediabetes. Over 6.5% indicate diabetes.
- 1 What Is Normal Sugar Level In Fasting
- 2 Are Your Blood Sugar Levels Normal?
- 3 Diabetes Mellitus: Know Your Fasting, Post Prandial, Hba1c Numbers
- 4 Free Normal Blood Sugar Levels Chart
- 5 Free Blood Sugar Levels Chart By Age 60 Female
What Is Normal Sugar Level In Fasting
Keeping A1C levels within the normal or target range reduces the risk of developing diabetes or its complications. Read on to learn what A1C test results mean.
Are Your Blood Sugar Levels Normal?
The A1C chart below can help a person interpret and understand their A1C test results. Your doctor can provide more context and describe ways to keep your blood sugar levels in a safe range.
The A1C test measures the percentage of red blood cells that have glucose coated hemoglobin. This measurement gives doctors an idea of the average level of glucose in the person’s blood over the past 2-3 months.
Hemoglobin is an iron-rich protein in red blood cells. It helps transport oxygen from the lungs to other tissues.
When glucose enters the blood, it binds to hemoglobin. The more glucose in a person’s bloodstream, the more glucose is bound to hemoglobin.
High Blood Sugar: Symptoms, Causes, And Treatment
Getting the A1C test is simple: A healthcare professional takes a blood sample and sends it to a lab for testing.
If a person takes insulin to treat diabetes, their doctor may also ask them to monitor their blood sugar levels at home with a blood glucose meter or continuous glucose monitor.
Traditionally, A1C values are reported as a percentile. Alternatively, they can be reported as estimated average glucose (eAG), in milligrams per deciliter (mg/dL) or millimoles per liter (mmol/L).
Blood glucose meters and continuous glucose meters also provide eAG measurements, some from at least 12 days of data.
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The A1C test gives a more accurate long-term average. It takes into account fluctuations during the day, such as overnight and after meals.
If someone’s A1C levels are higher than normal, they may have diabetes or prediabetes. Their doctor may order a repeat test to confirm this.
A doctor will set a person’s A1C target based on many factors. The right target varies from person to person.
A person should work with their doctor to reassess and adjust their A1C goals over time. The condition and treatment goals may change.
Diabetes Mellitus: Know Your Fasting, Post Prandial, Hba1c Numbers
To screen for diabetes, a doctor may order an A1C test for someone over the age of 45. They may also do this for younger people who have other risk factors.
If a person is meeting their treatment goals, they may need an A1C test twice a year. When blood sugar control is challenging, a person tends to need this test more often.
Anyone who develops any of the above symptoms or notices other changes in their health should notify their doctor.
A doctor orders an A1C test to see if someone has prediabetes or type 1 or type 2 diabetes. Doctors also use this test to monitor blood sugar levels in people with diabetes to see how well their treatment plan is working.
A1c Chart: Test, Levels, And More For Diabetes
A1C test results are usually a percentile, but may come as an eAG measurement. A1C target values vary from person to person, depending on age, general health, and other factors.
Having a high A1C level may indicate that the person has diabetes or a high risk of related complications. In this case, the doctor will work with the person to adjust the approach to the treatment.
Medical News Today has strict sourcing guidelines and only sources from peer-reviewed studies, academic research institutions, and medical journals and societies. We avoid using university degrees. We link to primary sources – including studies, scientific references and statistics – within each article and also list them in the resources section at the bottom of our articles. You can learn more about how we ensure our content is accurate and up-to-date by reading our Editorial Policy. Even if you know the typical ranges for normal blood sugar levels (and if you don’t, this article about them might help), I still wonder if your age matters here. And it could!
Since blood sugar levels are important to overall well-being, it’s a good idea to understand more about them. And as it turns out, your blood sugar levels can vary for many reasons, including your age.
Fasting Blood Sugar Level: Normal Levels & Testing
Blood glucose levels can vary by age group and at different times of the day. Figuring this out on your own can be challenging, especially if you haven’t taken a closer look at your blood sugar levels before.
Read on to learn what is “normal,” and then check out some blood sugar charts to learn more about typical target ranges for blood sugar levels based on your age.
Before we start talking about the numbers, it’s important to note that “normal” blood sugar levels vary depending on many factors. A good way to learn more about what your levels mean for your well-being is to consult with a qualified health care professional.
“Your body breaks down carbohydrates into glucose, which is the body’s main source of energy. The pancreas then releases insulin to shuttle glucose into your cells, where it is converted into energy. Glucose can also be stored as glycogen in the liver and muscles or as fat in adipose tissue. Insulin and glucagon, along with other hormones, help regulate the amount of glucose in the bloodstream.” —Heather Davis, MS, RDN, LDN
What Is Hba1c: Normal Blood Sugar Levels
To read more about how the body regulates glucose homeostasis, check out our article on glucose homeostasis. Remember that it is normal for glucose levels to fluctuate to some extent. Blood sugar levels are influenced by many factors, including:
Typical glucose values are often listed as a range to help capture any normal fluctuations that may occur within that range. Additionally, for those who may have health conditions such as diabetes or prediabetes (characterized by some level of insulin resistance), the normal glucose range may be wider or milder.
According to Nationwide Children’s Hospital, non-diabetic children ages 6-12 should have a normal glucose reading that looks like this:
Parents or caregivers usually won’t check a child’s glucose throughout the day unless they have a condition like type 1 diabetes. It can still be helpful to know what’s healthy.
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For children with diabetes, their blood glucose levels will fluctuate from the time they wake up, based on their activity, and before they go to sleep at night.
It’s important to remember that despite all of this, recommendations suggest that blood sugar levels should be between 80-180 mg/dL throughout the day.
There are no guidelines from the American Diabetes Association for typical blood sugar levels for teenagers without diabetes. You should always consult your doctor for specific instructions. The Mayo Clinic recommends aiming for the same guidelines for healthy children/adults without diabetes and keeping glucose in the 70-140 mg/dL range.
For teens with diabetes, it’s a good idea to check with your doctor for specific instructions. Some studies of teenagers with type 1 diabetes recommend aiming for blood glucose levels between 70-150 mg/dL throughout the day.
Free Normal Blood Sugar Levels Chart
The majority of studies on normal glucose levels have focused on adults. While you may notice that different labs may have different reference ranges, studies show that the optimal fasting glucose to minimize the risk of diabetes can be in the range of 70-90 mg/dL for non-diabetic adults.
Research also shows that fasting glucose levels above 90 can lead to an increased risk of cardiovascular disease.
There are many factors that can contribute to higher fasting blood sugar levels. It is necessary to consider things such as:
It may also be helpful to monitor your alcohol consumption, check any supplements you are taking, and track your physical activity and body weight. Working one-on-one with a qualified healthcare professional, including a registered dietitian or nutritionist, can help you understand some of these patterns and how they may be affecting your overall well-being.
Free Blood Sugar Levels Chart By Age 60 Female
Of course, the expected glucose ranges for adults with diabetes are different from the target ranges for adults without diabetes. The American Diabetes Association also suggests different glucose ranges for healthy adults, adults with prediabetes, and adults with diabetes. Healthy adults without diabetes should maintain glucose levels between 70-140 mg/dL.
According to the International Diabetes Federation (IDF) guidelines, adults with healthy glucose metabolism should have postprandial glucose levels below 140 mg/dL. Healthy adults with normal glucose tolerance have been found to be below 140 mg/dL between 95-99 percent of the time.
Peaks above 160 mg/dL can be problematic. Monitoring your glucose over time with the guidance of a qualified healthcare professional can help you assess your risk for conditions such as prediabetes and diabetes. Remember that most healthy people will see peak glucose levels within 30 minutes of eating.
Wondering where prediabetes fits into all of this? The ADA classifies diabetes as fasting glucose levels above 100 mg/dL and up to 125 mg/dL and two-hour postprandial levels between 140-199 mg/dL. It is usually diagnosed with an oral glucose tolerance test. An A1C between 5.7-6.4 percent is considered a prediabetes level by the ADA.
Blood Sugar Chart: What’s The Normal Range For Blood Sugar?
Diabetes is usually diagnosed after two repeated fasting glucose tests above 125 mg/dL or a two-hour reading above 200 mg/dL after an oral glucose tolerance test.
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