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Fasting Glucose 104 Should I Worry

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What Is Blood Sugar

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Blood sugar, or glucose, is the sugar found in your blood that comes mainly from the food you eat. Whenever you eat something, your digestive system breaks it down into smaller components, and one of the major components is glucose.

Glucose is our bodies preferred energy source. Its a necessary ingredient for maintaining the optimal function of your organs, muscles, and nervous system.

If you just ate a meal high in carbohydrates, starch, and/or sugar, your blood sugar will rise high over a normal fasting level. If you just had a meal of healthy fats and proteins, your blood sugar will not rise as high.

Blood sugar after meals that is continuously outside of the normal range can lead to major blood vessel and body tissue damage.

This damage creates toxic compounds called advanced glycation end products .

AGEs are proteins or lipids that are tagged with glucose molecules as a result of continuous exposure to high sugar levels. AGEs accelerate the aging process by depleting your bodys antioxidant stores.

They also wreak havoc in the body by damaging DNA and lead to the development, or worsening, of many diseases including diabetes, atherosclerosis, high blood pressure, kidney disease, and Alzheimers disease.

Fortunately, its very simple to measure the direct effect on your blood sugar of any kind of food, whether its a bowl of greens or a big juicy burger.

Determining The Right A1c Goal For You

Just because a normal blood sugar range of 70 to 130 mg/dL is considered the healthiest doesnt necessarily mean thats the appropriate goal range for you especially if you have type 1 diabetes, or take insulin as a person with type 2 diabetes.

The reason this may not be the right goal for you is that extremely tight blood sugar management in people taking insulin can potentially lead to frequent low blood sugars which can be dangerous.

Achieving extremely tight blood sugar management, like a range of 70 to 130 mg/dL, also often requires a strict nutrition plan, more frequent than usual blood sugar monitoring, precise medication management, and most importantly, years of experience studying your blood sugar levels.

A Normal A1c Is Always Good News But What If It Comes With A Fasting Glucose Of 109 Which Is In The So

A fasting glucose is a snapshot of what someones blood sugar is at that exact moment, begins J. Mark Anderson, MD, DABFM, of Executive Medicine of Texas and who is board certified in family medicine.

It can show that someone has an increased risk of diabetes, but its not necessarily diagnostic, continues Dr. Anderson.

That is why many healthcare providers will routinely collect an A1C during a physical exam or if there is a concern about diabetes.

An A1C is a blood test that looks at the amount of glycated hemoglobin , giving a better long-term evaluation of your blood sugars.

Generally, it paints the picture of your blood sugar over the past two to three months.

Its best to have an A1C of 5.6 or less. 5.7-6.4 is considered prediabetes and 6.5 or greater is considered diabetic level.

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How To Reduce Blood Sugar

You can take steps to reach your blood sugar goals as soon as you find out that it is high. This is how to reduce blood sugar if you have a single high reading that may be dangerous:

  • Ask your doctor what to do if you missed a dose of insulin or another diabetes medication
  • Ask your doctor if your medication types and doses are still appropriate for you
  • Drink water to dilute the sugar
  • Exercise for 15 minutes
  • Eat a small protein snack, such as a hard-boiled egg, ½ ounce of peanuts or pistachios or other nuts, ½ cup of beans, or ½ cup of plain yogurt or cottage cheese

If you have chronically high blood sugar in prediabetes or diabetes, you can follow this treatment plan:

  • Exercise regularly, assuming your doctor approves it
  • Lose weight if you are overweight or obese
  • Eat a higher proportion of vegetables, whole grains, lean proteins, healthy fats, and fruit
  • Limit sugary foods and beverages, fried foods, refined starches, and processed and fatty red meats
  • Beware of starchy vegetables such as sweet potatoes, which can spike your blood sugar. Check out our guide of which veggies to avoid!

When Does A Person Need To Have Their Blood Glucose Measured With This Test

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Prediabetes, Type 2 diabetes and gestational diabetes often have no symptoms at first. A person can have the condition and not know it. Healthcare providers usually order a fasting blood sugar test:

  • As part of a standard annual physical examination to monitor a persons blood glucose over time.
  • For pregnant women to ensure that pregnancy hormones are not causing diabetes.
  • When a person has symptoms of diabetes, a family history of diabetes or risk factors for diabetes .
  • When a person has had a previous blood glucose level that was higher than normal.

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Random Plasma Glucose Test

A random blood glucose test is a blood test thats performed any time of day that you arent fasting. It measures the sugar level in your blood at that moment in time.

An RPG result thats over 200 mg/dL is indicative of diabetes, especially if youre having symptoms of diabetes such as excessive thirst, hunger, or urination.

If your level is higher, your doctor will use one of the other tests listed to confirm the diagnosis.

Blood Sugar Basics: What Is Blood Sugar

The term blood sugar refers to the sugar, or glucose, that is floating around in your bloodstream at any given time. Blood sugar, or blood glucose is the main source of sugar found in your blood, and comes from the food you eat.

If you are monitoring your blood sugar, it is important to keep these numbers in check according to the American Diabetes Association .

Your blood sugar needs to be in the right range for you to be healthy. At least some glucose is necessary for your muscle, liver, and some other cells to use as fuel so they can function.

At least some sugar is necessary for your cells and organs to function properly. When our blood sugar levels get too low, it is called hypoglycemia. Without enough glucose as fuel, we lose the ability to function normally. This can make us feel weak, dizzy, and sweaty. And it can even lead to loss of consciousness.

On the other hand, blood sugar levels that get too high are also harmful, this is called hyperglycemia. Our blood sugar levels can get too high when we dont have enough insulin, or when our insulin isnt working well. This is the case for people who have prediabetes or diabetes. If it isnt treated, high blood sugar can lead to serious problems that can be deadly

The Centers for Disease Control and Prevention explains that keeping blood sugar levels in the target range is vital. It can help us prevent serious health concerns like heart disease, vision loss, and kidney disease, for example.

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Translating Your A1c To A Blood Sugar Level

Using this easy calculator from the ADA, you can translate your most recent A1C result to an eAG or estimate average glucose level.

You can also use this translation when working to improve your A1c and achieve closer to normal blood sugar levels.

If you know an A1c of 6.5 is an average blood sugar level of 126 mg/dL or a range of 100 to 152 mg/dL, then you can look at your current blood sugar results on your CGM and meter and pinpoint which time of day youre frequently higher than this range.12% = 298 mg/dL or range of 240 347 11% = 269 mg/dL or range of 217 31410% = 240 mg/dL or range of 193 2829% = 212 mg/dL or range of 170 2498% = 183 mg/dL or range of 147 2177% = 154 mg/dL or range of 123 1856% = 126 mg/dL or range of 100 1525% = 97 mg/dL or range of 76 120

Normal blood sugar levels in a person without diabetes can result in an A1c as low as 4.6 or 4.7 percent and as high as 5.6 percent.

Just a decade or two ago, it was rare for a person with type 1 diabetes to achieve an A1c result below 6 percent. Thanks to new and improved insulin and better technology like continuous glucose monitors and smarter insulin pumps, more people with diabetes are able to safely achieve A1c levels in the higher 5 percent range.

Why Is Glucose Important

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Glucose is the sugar that your body uses for energy. You get glucose from foods called carbohydrates. These include fruits, vegetables, and grains as well as sugar added to foods. Your body stores some glucose to release when you need energy.

In order for your cells to use glucose, it has to move from your blood into your cells. For that you need the hormone called insulin. Insulin comes from your pancreas. If your pancreas does not make enough insulin or if the insulin does not work properly, your blood sugar goes up.

High blood sugar, called hyperglycemia, may be the first sign of type 2 diabetes. Even before type 2 diabetes, you may have an elevated blood sugar called prediabetes. Diagnosing diabetes or prediabetes is important because the sooner you start treatment, the more likely you can prevent the long-term damage to your eyes, kidneys, nerves, heart, and blood vessels, and prevent complications of diabetes like heart attacks and strokes.

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How To Test Your Blood Sugar

To test your blood sugar at home, all you need is a very inexpensive piece of equipment you can find at any drug store or pharmacy called a glucose meter or glucometer.

Glucose testing from home using a glucometer is typically done by a finger stick test. This involves pricking the tip of your finger and collecting a small drop of blood onto the testing strip.

The test itself is very mildly painful but if you are feeling squeamish, I recommend having someone else help you with the finger stick because it may be harder to do on yourself.

Here are the data points that you will want to track when assessing your bodys response to meals: :

  • fasting blood sugar levels
  • blood sugar 1 hour after eating
  • blood sugar 2 hours after eating
  • blood sugar 3 hours after eating
  • how long it takes for blood sugar to return to fasting levels after eating
  • a diary of foods eaten before the tests

Lets work through the best way to test your blood sugar and get all these data points.

First: Test your blood sugar first thing in the morning before you have eaten anything.

This is called your fasting blood sugar level. Optimally this level should be between 82-88 mg/dL . Conventional medicine considers anything < 100 mg/dL as normal.

Second: Test your 1-hour post-meal blood sugar.

Third: Test your 2-hour post-meal blood sugar.

This reading tells you how efficient your body is at balancing your blood sugar. Optimally this level should be less than 120 mg/dL . The closer to 100, the better.

Fasting Vs Nonfasting Blood Sugar

Fasting blood sugar is a test that measures blood sugar and is used to determine if an individual has diabetes. When a person takes this test, they cannot eat or drink for at least eight hours prior to the test. The results determine whether a person is prediabetic or diabetic.

The results are measured in milligrams per deciliter, or mg/dL. The following results indicate whether a person is prediabetic or diabetic:

  • Normal: Less than 100 mg/dL
  • Prediabetes: 100 mg/dL to 125 mg/dL
  • Diabetes: 126 mg/dL or higher

To test nonfasting blood sugar, an A1C test is administered to determine the average blood sugar level of an individual over a period of two to three months. The following results indicate whether a person is prediabetic or diabetic:

  • Normal: 5.7%

Blood sugar levels among people with type 1 diabetes should be:

  • Before meals: From 90 to 130 mg/dL for adults
  • After meals : Less than 180 mg/dL for adults
  • At bedtime: From 90 to 150 mg/dL for adults

Blood sugar levels among people with type 2 diabetes should be:

  • Before meals: From 70 to 130 mg/dL for adults
  • After meals : Less than 180 mg/dL for adults
  • At bedtime: From 90 to 150 mg/dL for adults

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Diagnosing Prediabetes Type 2 And Type 1 Diabetes

Depending on which country or medical organization you ask, the qualifying numbers for normal versus prediabetes versus diagnosed type 1 or type 2 diabetes can vary slightly.

The following blood sugar and A1c results are used to diagnose prediabetes and diabetes according to sources including the American Diabetes Association and Diabetes UK:

Prediabetes

  • HbA1c: 5.7 to 6.4 percent
  • Fasting: 100 to 125 mg/dL
  • 2 hours after a meal: 140 mg/dL to 199 mg/dL

Type 1 or 2 diabetes

  • HbA1c: 6.5 percent or higher
  • Fasting: 126 mg/dL or higher
  • 2 hours after a meal: 200 mg/dL or higher

Please note:Type 1 diabetes tends to develop very quickly which means that by the time symptoms are felt, blood sugar levels are generally well above 200 mg/dL all the time. For many, symptoms come on so quickly that they are dismissed as the lingering flu or another seemingly ordinary virus.

By the time blood sugar levels are tested, many newly diagnosed type 1 patients will see levels above 400 mg/dL or higher. If you do suspect that you or a loved one has type 1 diabetes, visit your primary care or urgent care immediately and ask for a urine test to measure ketones in addition to testing blood sugar levels and A1c.

Read more about ketones at diagnosis in ourDiabetic Ketoacidosis Guide.

Blood Sugar Levels During Pregnancy

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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. Ig 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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Different Levels And What They Mean

The ranges of safe levels of blood glucose depend on factors such as what time of day it is and when you last ate. Safe levels of blood sugar are high enough to supply your organs with the sugar they need, but low enough to prevent symptoms of hyperglycemia or complications of diabetes which follow the National Institute of Diabetes and Digestive and Kidney Diseases guides. Dangerous levels of blood glucose are outside of this range.

The target levels can also vary if you have diabetes. For example, if you are diabetic and are monitoring your blood sugar, you might get a reading of 65 mg/dl. That is considered to be mild hypoglycemia, and you would be wise to eat 15 grams of fast-acting carbohydrates and retest your blood sugar in 15 minutes.

If you were not diabetic, you probably would not know that your sugar was low because you would not test and because you would not symptoms, and you would not act.

That is fine because your body is capable, under normal circumstances, of raising your blood glucose to healthy levels when needed, even if you have not eaten. It is important to keep them in control to help prevent issues like heart disease or nerve damage.

Looking for the best prediabetes diet? Learn what foods are best to help you manage your prediabetes.

Fasting Blood Sugar : Normal Levels And Testing

Fasting blood sugar levels give vital clues about how a person is managing their blood sugar. Blood sugar tends to peak about an hour after eating and declines after that.

High fasting blood sugar levels point to insulin resistance or diabetes, while abnormally low fasting blood sugar could be due to diabetes medications.

Knowing when to test and what to look for can help people stay healthy, especially if they have diabetes or are at risk of developing the condition.

Keep reading to learn more about fasting blood sugar levels, including information on testing and tips for maintaining normal levels.

The body needs glucose for energy, and glucose comes from the food a person eats. However, the body does not use all of this energy at once. Insulin makes it possible to store and release glucose as necessary.

Following a meal, blood sugar levels rise and usually peak about an hour after eating.

How high blood sugar rises and the precise timing of the peak depends on a persons diet.

Food-related factors that can trigger significant rises include:

  • eating large meals
  • consuming sugary foods and drinks
  • eating foods with simple carbohydrates, or carbs, such as bread and sweet snacks

As blood sugar rises, the pancreas releases insulin. Insulin lowers blood sugar, breaking it down so the body can use it for energy or store it for later.

However, people who have diabetes have difficulties with insulin in one of two ways:

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