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What Is The Normal Range For Fasting Blood Sugar

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Fasting Glucose Goal: 72

What is A Normal Blood Glucose?

Why? Previously we discussed that the ADA considers normal fasting glucose as anything < 100 mg/dl. However, multiple research studies show that as fasting glucose increases, there is an increased risk of health problems like diabetes and heart disease even if it stays within the normal range. The highlights of some of the study results include:

  • Men whose fasting blood glucose was greater than 85 mg/dl had a significantly higher mortality rate from cardiovascular diseases than men with blood sugars less than 85 mg/dl.
  • People with fasting glucose levels in the high normal range had significantly increased cardiovascular disease risk than people whose levels remained below 80 mg/dl.
  • Children with fasting glucose levels 86-99 mg/dl had more than double the risk of developing prediabetes and Type 2 diabetes as adults when compared with children whose levels were less than 86 mg/dl.
  • People with fasting glucose levels between 91-99 mg/dl had a 3-fold increase in Type 2 diabetes risk compared to those with levels less than 83 mg/dl.
  • Among young, healthy men, higher fasting plasma glucose levels within the normal range constitute an independent risk factor for Type 2 diabetes. This means that as fasting glucose increases, even if the level is still considered normal, it could indicate a significantly higher risk of developing diabetes, and this is particularly pronounced if BMI is greater than 30. .

What If The Range Of Your Fasting Blood Sugar Levels Go Up 100 Mg/dl Chart Explained

The chart below will help you get an idea on what goes on in case of changing of fasting blood sugar levels up 100mg/dl and down 70 mg/dl.

When your fasting blood sugar level readings are between 100 and 125 mg/dl, then most probably you may have pre-diabetes.

That is a condition in which your body insulin function is impaired. You may know it also as impaired fasting blood glucose condition.

In case your fasting blood sugar levels figures are higher than 125 mg/dl, than most probably you may have diabetes. Further diagnostic exams will determine what type of diabetes you may have.

Remember: always will be a double check to fully determine if you have diabetes or not.

This means that you’ve to monitor your fasting blood sugar levels for one week, record the results for reference when consulting your doctor. Then, and only then you will know if you are diabetic or not.

Measurement Of Glycosylated Hemoglobin

Periodic Measurement of Glycated Hemoglobin. Another method to monitor the control of blood sugar in people with diabetes is through a blood test called hemoglobin A1c or glycohemoglobin .

This test can be done through a local laboratory or can be drawn at a doctor’s office, but unlike simple measurement of blood glucose levels, this cannot be done at home. The level of glycosylated hemoglobin correlates very well with a person’s recent overall blood sugar levels.

Hemoglobin A1c will tell what the diabetic’s blood sugar levels have been running for the past 2 to 3 months. If the blood sugars have generally been running high during the previous few months, the level of hemoglobin A1c will be high. If blood glucose concentrations have been running close to normal during this time, the hemoglobin A1c level will be close to values seen in normal persons.

It is an important value to monitor periodically. Studies have shown that glycohemoglobin values in the “better ranges” correlate with less incidence of diabetic complications later in life. People with type 1 diabetes will typically have hemoglobin A1c levels determined every 3 to 4 months, while people with type 2 diabetes will often require measurements less often.

Values vary from lab to lab but below is a common value system for hemoglobin A1c:

Hemoglobin A1cPoor: Greater than 9.5

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Blood Sugar Level Chart By Age

Blood sugar levels tend to rise with age due to an increase in insulin resistance and decrease in insulin sensitivity. In one study by the National Health Institute , each extra decade of age was linked to a 2.7 mg/dl increase in fasting glucose, and a 4.5 mg/dl increase in 2-hour post-prandial glucose levels.

Achieving Normal Fasting Glucose Level

Chart for normal fasting blood sugar levels

The very first thing is to watch out the figures lower than 70 mg/dl. In case you’ve been experiencing more than two episodes of low figures then you should consult your doctor.

The most probable cause include medicine you are taking and diet you’re following. And that should be corrected to keep glucose level under control.

Trying to achieve normal fasting glucose level means you must work hard on it and never surrender.

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Prevent Type 2 Diabetes

If your test results show you have prediabetes, ask your doctor or nurse if there is a lifestyle change program offered through the CDC-led National Diabetes Prevention Program in your community. You can also search for an online or in-person program. Having prediabetes puts you at greater risk for developing type 2 diabetes, but participating in the program can lower your risk by as much as 58% .

Why Doctors Order It

A fasting blood glucose test is done to screen for prediabetes and diabetes. It also helps doctors monitor diabetes and determine if medications and dietary changes are having an effect .

Your fasting blood glucose level is the lowest your blood sugar can be because the influence of recent meals is minimized .

Fasting blood sugar is often checked alongside HbA1c , which is a measure of your blood sugar levels over the past three months. The more sugar there is in the blood, the more it will attach to hemoglobin, raising HbA1c .

Taken together, the two offer more information than each test alone. For example, even if your blood sugar levels are very high at one random point, they may have been mostly low over the past couple of months . On the other hand, HBA1c could be higher but your glucose levels at the moment lower.

Apart from diabetes, abnormal levels can point out issues such as insulin resistance, hormonal imbalances, and pancreatic, liver, or kidney disease.

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What Is Low Blood Sugar

Hypoglycaemia is a condition wherein blood sugar levels are too low. This condition affects a number of diabetic people when their bodies do not have enough glucose to use as energy. Hypoglycaemia is commonly the result of taking too much of the medication/s prescribed to treat diabetes, eating less than expected, exercising more than normal or skipping meals.

Some of the symptoms of hypoglycaemia include:

  • A pale face

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What is Normal Fasting Blood Sugar Levels on Intermittent Fasting? Dr.Berg

Remember, the normal fasting blood glucose level is between 70 and 110 mg/dL.

Frequent Measurements of Blood Glucose. The goal in this part of diabetes management is to strive to keep fasting blood sugars under 140 mg/dL and preferably closer to the 70 to 120 mg/dL range.

Ideally, one could monitor blood sugars 4 times per day to follow how well the sugars are controlled. This information could be used to adjust your diet and medications to achieve this goal. Usually blood glucose measurements are done before each meal and at bedtime.

Occasionally a doctor may want a patient with diabetes to test their blood sugar at 2:00 am to assess what the blood sugar is doing overnight. Generally, it is desirable to have blood sugars at 2:00 am run greater than 65 mg/dL to avoid overnight hypoglycemia .

It is very desirable for patients to keep a diary of these blood sugar measurements since this information will be a great help to the treating physician as he/she makes decisions regarding how best to treat the diabetes.

Bring this diary with you when you go to your doctor as s/he will be quite pleased but don’t alter or fudge your results in an attempt to please your doctor this will prevent the appropriate changes to be made in your management.

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Does Blood Sugar Level Change With Age

Many factors changes with age and even sometimes co-morbidities gets added. To adopt with these certain conditions, optimum levels of different substances in blood also changes. So the same goes for the blood sugar. It has been confirmed by different studies that fasting blood sugar level increases with age considering different factors like obesity.

But, now the question comes, how much increment will be considered as normal? Obviously not random! It has a specific level but the increment varies depending on various conditions.

It is said that the ideal level of blood sugar increases with the passing of decade through your adult years due to benign physiological changes which decrease the glucose tolerance.

Basically, if you are quite healthy then, 2mg per 100 ml rise is considered as normal through the advancing years. But this issue is seen to bewilder both clinicians and investigations alike.

However, this small extent is only for fasting. Besides this, you may notice that your postprandial sugar levels are also escalating. Be conscious! Because it must not increase more than 4mg per 100ml. Again, sugar level may elevate up to 8 to 13mg per 100 ml per decade following a glucose challenge.

The above-mentioned levels are for those who are comparatively healthy and are not suffering from any other disease apart from diabetes.

Low Blood Sugar Symptoms

Hypoglycemia happens when blood glucose levels drop too low. Low blood sugar can be caused by many things including the two different types of diabetes, certain medications, alcohol, endocrine disorders, eating disorders, pregnancy , and disorders of the liver, kidneys, or heart.

Here are some of the most common symptoms that someone with low blood sugar might experience:

  • Lightheadedness
  • Fainting
  • Tingling lips

If your blood sugar is low you might start to feel some of the first signs of hypoglycemia like dizziness, lightheadedness, or sweating. The only way to know for sure if your blood sugar is low is to test it with a glucose meter or other glucose monitoring device.

If you dont have access to these tools and start to feel the symptoms of low blood sugar, consume 15 grams of carbs or take a quick dissolve glucose tablet to raise your blood sugar levels and avoid further symptoms, according to the American Diabetes Association . Once your blood sugar is back in its target range, you can have a snack or meal to make sure it doesnt drop again.

Here are some other lifestyle and medicinal treatments that can help treat hypoglycemia:

  • Eat a healthy diet full of whole foods that are minimally processed.
  • Take prediabetes or diabetes medications as recommended by your healthcare provider.
  • Use a glucagon kit in emergencies. Glucagon is a hormone that raises blood sugar levels quickly.

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What Are Abnormal Glucose Levels And Why Do They Matter

Why is it unhealthy for glucose levels to be too high or too low ?

Hyperglycemia refers to elevated blood glucose levels. This usually occurs because the body does not appropriately remove glucose from the blood this can happen due to many complex reasons. Elevated glucose levels can damage blood vessels and nerves over time this can then lead to problems in the eyes, kidneys, and heart, as well as numbness in the hands and feet. Very high levels can lead to coma and even death in some cases. People with fasting glucose levels higher than 100 mg/dl have impaired glucose tolerance and should speak with their healthcare provider.

Some people may think that to avoid all these issues, they should just keep their blood glucose levels as low as possible. If too high is bad, then low must be good, right? Not exactly. When glucose gets too low, its called hypoglycemia. The threshold for hypoglycemia is typically thought to be when glucose falls below 70 mg/dl. When this happens, the body may release epinephrine , the fight or flight hormone, which can lead to a fast heart rate, sweating, anxiety, blurry vision, and confusion, but also helps the body mobilize glucose into the blood. If blood glucose levels stay too low for too long, it can cause seizures, coma, and in very rare instances, death.

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What Is Fasting Blood Sugar

As the name suggests, fasting blood sugar is the amount of sugar present in your blood after fasting . During these fasting hours, you cannot eat or drink anything except water. The normal range of fasting blood sugar levels varies from 70-100mg/dl. If your blood sugar level is more than this then you may have diabetes.

Fasting sugar is preferred by doctors as it is a reliable number compared to non-fasting sugar levels. After eating different types of food, our blood sugar level fluctuates differently. So, doctors, may not get a correct picture of your blood sugar level. Your doctor may also ask for fasting sugar levels to calculate your insulin resistance.

What Do The Test Results Mean

  • If your fasting blood glucose level is between 3.6mmol/l and 6mmol/l, this means that your blood glucose level is normal.
  • If your fasting blood glucose level is 7mmol/l or higher, this is likely to mean that you have diabetes. Diabetes is a long-term condition where the body is not able to control the amount of glucose in the blood.
  • If your fasting blood glucose level is between 6.1mmol/l and 6.9mmols/l, you may have IFG.

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How Can Continuous Glucose Monitoring Help You Maintain Optimal Glucose Levels

It is not uncommon for your glucose levels to increase after a meal: you just ate food that may contain glucose, and now your body is working on getting it out of the bloodstream and into the cells. We know that we want to prevent excessive spiking of glucose levels because studies show that high post-meal glucose spikes over 160 mg/dl are associated with higher cancer rates. Spikes are also associated with heart disease. Repeated high glucose spikes after meals contribute to inflammation, blood vessel damage, increased risk of diabetes, and weight gain. Additionally, the data shows that the big spikes and dips in glucose are more damaging to tissues than elevated but stable glucose levels. Therefore, you should strive to keep your glucose levels as steady as possible, at a low and healthy baseline level, with minimal variability after meals.

Keeping your glucose levels constant is more complicated than just following a list of eat this, avoid that foods. Each person has an individual response to food when it comes to their glucose levels studies have shown that two people can have different changes in their glucose levels after eating identical foods. The difference can be quite dramatic. One study found that some people had equal and opposite post-meal glucose spikes in response to the same food.

Blood Sugar Levels During Pregnancy

What are normal blood sugar levels?

The NIDDK states that gestational diabetes is high blood sugar that occurs during pregnancy if you were not diabetic before getting pregnant. Healthy blood sugar during pregnancy can help lower your risk of developing type 2 diabetes later. It can also lower the risk of your baby being born prematurely, at a high birth weight, and having respiratory problems.

Blood sugar and insulin levels during the first trimester of pregnancy tend to be lower than usual, but they rise during the late second and early third trimesters. You can be diagnosed with an oral glucose tolerance test .

These are the steps for the 2-step strategy.

  • Drink a solution with 50 grams of glucose about the amount in 1 16-oz. bottle of a soft drink
  • Get your blood drawn after 1 hour. IF the value is high, retest
  • Fast overnight
  • Drink a solution with 100 grams of glucose about the amount in 12 peanut butter cups
  • Get your blood drawn immediately and after 1, 2, and 3 hours

Or, your doctor might use the 1-step strategy with a 2-hour OGTT:

  • Fast overnight
  • Drink a solution with 75 grams of glucose
  • Get your blood drawn immediately and after 1 and 2 hours

These are some values to know from NIDKK related to gestational diabetes and healthy blood sugar in pregnancy.

Time or Situation
Baseline: at least 105 mg/dl1 hour: at least 190 mg/dl2 hours: at least 165 mg/dl3 hours: at least 145 mg/dl

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What Is Blood Glucose

Blood glucose comes from food. When an individual eats, the food is broken down into sugar and sent to the blood. The insulin is what helps the sugar go into the cells. Once this happens, the sugar that has moved from the blood into the cells is used for energy or is stored.

Glucose is known as the bodys main energy source. Too much glucose in the blood, or if it is not absorbed properly, can create health issues both long and short term. To keep a healthy blood sugar level, it is important to:

  • Eat healthily
  • Check blood glucose levels
  • Keep in contact with your healthcare provider

It is important to keep in contact with a healthcare professional, eat properly, check your blood glucose, and exercise regularly to keep a healthy blood sugar level.

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