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3 Hours After Eating Blood Sugar

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Blood Sugar Level Rises Every Time You Eat

Clearing Up Myths About Blood Sugars After Eating

Your blood sugar level rises immediately after eating a meal or snack . In a healthy person, insulin then starts working, and the blood sugar level returns to the pre-meal level 2 hours after eating. In untreated diabetes patients, the blood sugar level does not return to the pre-meal level of its own accord. Some people’s blood sugar level remains high two hours after eating, even though on an empty stomach it would be at a normal level. As a result, the risk of developing diabetes increases as insulin is not properly secreted, or does not work properly in the body. In order to make sure insulin works properly, it is important not to overeat and to avoid becoming obese. Knowing which foods will not cause a sudden and extreme spike in blood sugar level and using this knowledge in your daily life will help you to prevent obesity and diabetes, and maintain good health.

Official Fasting Blood Sugar Ada Recommendation For Someone With Diabetes

The American Diabetes Association recommends a fasting blood sugar target of 80 to 130 mg/dl for most nonpregnant adults with diabetes. However, the fasting blood sugar target may need to be individualized for certain people based on such factors as duration of diabetes, age and life expectancy, cognitive status, other health conditions, cardiovascular complications, and hypoglycemia unawareness. Its important that people with diabetes discuss their target blood sugar goals with their health care provider.

How Can I Treat High Blood Sugar

Talk to your doctor about how to keep your blood sugar levels within your target range. Your doctor may suggest the following:

  • Be more active. Regular exercise can help keep your blood sugar levels on track. Important: dont exercise if ketones are present in your urine. This can make your blood sugar go even higher.
  • Take medicine as instructed. If your blood sugar is often high, your doctor may change how much medicine you take or when you take it.
  • Follow your diabetes meal plan. Ask your doctor or dietitian for help if youre having trouble sticking to it.
  • Check your blood sugar as directed by your doctor. Check more often if youre sick or if youre concerned about high or low blood sugar.
  • Talk to your doctor about adjusting how much insulin you take and what types of insulin to use.

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How To Prevent Post

Taking fast-acting prandial, or mealtime, insulin 2030 minutes before eating a meal can reduce blood sugar spikes because the insulin will begin to work when glucose from food starts to enter the bloodstream. Additionally, a portioned diet rich in foods like vegetables, whole grains, lean protein, and fruit can cause a slower rise in blood sugar and help prevent post-meal spikes. Your healthcare provider can help you determine what strategy is best for you.

What To Know About High Blood Sugar When Living With Diabetes:

Normal Blood Sugar Level 3 Hours After Eating

What is hyperglycemia?

After eating a meal, the body signals the release of insulin. Insulin is like a key that unlocks the cells in order to store glucose for later use. This process reduces the amount of glucose in your blood stream. In people with diabetes, this process does not work as well because either there isnt enough insulin being produced, or because the body is resistant to the effects of the insulin. As a result, levels of glucose in the blood stream can reach high levels, causing hyperglycemia or high blood sugar.

Scale of normal blood sugar range

  • Hyperglycemia occurs when the blood sugar is above 130 mg/dL while fasting, or greater than 180 mg/dL after eating a meal.
  • American Diabetes Association Glucose Goals for people with Diabetes:
  • Before meals or fasting: 70 to 130 mg/dL
  • 1-2 hours after the start of a meal: Less than 180 mg/dL

Hb A1CIf blood glucose is regularly higher than the normal ranges, then this will reflect in the Hemoglobin A1C test that your doctor will run. The Hemoglobin A1C gives your care team an idea of what your blood sugar typically is at.

Symptoms of hyperglycemia

  • Illness, colds, infections, injuries, surgeries
  • Emotional stress
  • Not enough Diabetes Medication, or skipped doses of medication
  • Too little exercise

How to treat hyperglycemia

When to call your doctor or seek emergency treatment:

REMEMBER: DO NOT DRIVE yourself if you think you may have very high blood Sugars or Diabetic Ketoacidosis

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Target Blood Sugar Levels In Children With Diabetes

Children younger than 6 years old Blood sugar in mg/dL Bedtime 110-200

Children under 6 years of age should have blood glucose levels that range from about 80 to 200 mg/dL each day. This range is considered healthy, and the amount of glucose in a childs body will fluctuate from the time they wake up to after theyve eaten meals and again before bedtime. For this reason, kids with diabetes or hypoglycemic episodes may have to have their blood sugar levels tested in the middle of the night by their parents. Many children with type 1 diabetes wear a continuous glucose monitor , which displays glucose levels all the time and mostly eliminates the need for finger sticks.

How Quickly Can You Lower Your A1c

Because A1c is simply a measure of your average blood sugar over 2-3 months, it can decrease by any amount over that time period. If you, from one day to the next, decreased your daily average blood sugar from 300 mg/dl to 120 mg/dl , your A1c would decrease from 12% to 6% in around two months.

However, it may not be a good idea to lower your A1c so quickly, as I will explain below.

Read Also: Difference Between A1c And Glucose

What Is Low Blood Glucose

Low blood glucose, also called low blood sugar or hypoglycemia, occurs when the level of glucose in your blood drops below what is healthy for you. For many people with diabetes, this means a blood glucose reading lower than 70 milligrams per deciliter .1 Your number might be different, so check with your doctor or health care team to find out what blood glucose level is low for you.

When Should I Check My Blood Sugar

What is Normal Blood Sugar After Eating – 160 OR 180 OR 200 MG/DL?

How often you check your blood sugar depends on the type of diabetes you have and if you take any diabetes medicines.

Typical times to check your blood sugar include:

  • When you first wake up, before you eat or drink anything.
  • Two hours after a meal.

If you have type 1 diabetes, have type 2 diabetes and take insulin, or often have low blood sugar, your doctor may want you to check your blood sugar more often, such as before and after youre physically active.

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High Calorie Foods May Or May Not Cause The Blood Sugar Level To Rise

Many people think that all high-calorie foods raise blood sugar level, but this is not always the case.

In general, foods that cause blood sugar level to rise the most are those that are high in carbohydrates, which are quickly converted into energy, such as rice, bread, fruits and sugar. Next are foods high in protein, such as meats, fish eggs, milk and dairy products, and oily foods. However, even though carbohydrates affect blood sugar levels, if you don’t eat them your diet will be unbalanced and you won’t feel satisfied after your meal, which can lead to excessive consumption of foods rich in protein and fat.

Food containing three major nutrients

Carbohydrates

Normal Fasting Blood Sugar For Person Without Diabetes

A normal fasting blood glucose for someone who does not have diabetes ranges from 70 to 99 mg/dl. The American Diabetes Association recommends a routine screening for type 2 diabetes starting at age 35. If the results are normal, the screening should be repeated every three years.

If have diabetes risk factors, which include being overweight or obese, having a family history of type 2 diabetes, having a history of gestational diabetes, or being of a certain race/ethnicity , you should be screened for diabetes sooner and repeat testing may be recommended more often.

Children and adolescents who have diabetes symptoms or who are overweight and have a family history of type 2 diabetes, are of African American, Latino, Asian American, Native American or Pacific Islander descent, who have signs of prediabetes or a mother who had gestational diabetes should be tested beginning at age 10 or the onset of puberty and then every three years thereafter.

A fasting blood sugar of 100 to 125 mg/dl is indicative of prediabetes, which is a condition where blood sugar levels are above normal but not high enough to be considered diabetes. Prediabetes is a risk factor for type 2 diabetes, heart disease and stroke. Its managed by lifestyle changes and, in some cases, medication.

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What Are Risk Factors For Hyperglycemia

how to lower your fasting blood sugarhow to lower your fasting blood ...

Major risk factors for hyperglycemia are:

  • You have a family history of type 2 diabetes.
  • You are African American, Native American, Hispanic or Asian American.
  • You are overweight.
  • You have high blood pressure or cholesterol.
  • You have polycystic ovarian syndrome .
  • You have a history of gestational diabetes.

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What Are Normal Blood Glucose Levels For People Without Diabetes

Normal blood glucose ranges for people without diabetes are:

  • Fasting: 70-99 mg/dL
  • 1-2 hours after a meal: less than 140 mg/dL

< p class=”pro-tip”> < strong> Learn more about < /strong> < a href=”/blog/blood-sugar-spikes-exercise”> how exercise can affect blood sugar levels< /a> < /p>

Most blood sugar charts show recommended levels as a range, allowing for differences between individuals. Some people may find they have much lower blood sugar while others hover a bit higher, but the ranges above are considered diagnostic cut-offs by medical professionals.

Note: The Signos app uses a slightly different range to support weight loss, as youâll learn about more below.

Why Is It Important To Reduce The Size And Duration Of These Spikes

Reducing these spikes may help you to increase the amount of time you spend in your target blood sugar range , which will have a positive impact on your future health. You should consult your healthcare team to understand the best target range for you, as this will differ from person to person. However, the International Society for Paediatric and Adolescent Diabetes recommends a target of 5.0-10.0 mmol/L .

Symptoms of a high blood sugar level also vary in individuals, but they may cause you to feel thirsty, tired, stressed and need to go to the toilet a lot. In the short term, by avoiding prolonged high blood sugar readings after eating, you should also reduce the occurrence of these symptoms and improve your energy, cognitive and athletic ability and overall mood.

Read Also: What Does Impaired Fasting Glucose Mean

What Are Symptoms Of Prediabetes

Heres the tricky part: many people have no symptoms of prediabetes. This explains why it often goes undiagnosed for many years. Some people may notice areas of darkened skin in the armpits or on the back and sides of their neck. This is called acanthosis nigricans, a skin condition that can occur in people who are obese and/or who have type 2 diabetes.

Because you cant rely on having symptoms, its important to talk with your health care provider about getting screened for prediabetes or diabetes. The U.S. Preventive Services Task Force issued new guidelines in August 2021 for screening, recommending that adults aged 35 to 70 years of age who have overweight or obesity get screened for prediabetes or type 2 diabetes, and that clinicians should consider screening at an earlier age in persons from groups with disproportionately high incidence and prevalence . Also, people with a family history of diabetes, a history of gestational diabetes, or a history of polycystic ovary syndrome may need screening at a younger age.

How Long After Eating Does Blood Sugar Return To Normal

Blood Sugar Levels After Eating

Everyone is different.

If youre diabetic you should know how long it takes you to return to a normal level after a meal. Factoring in:

  • Your beginning blood glucose
  • How early you take supplements, medication or insulin before a meal
  • How many supplements, medication or insulin do you take
  • How many and the type of carbs you eat.

Knowing comes from your experience. Join our community and share your experience with us.

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How Do I Detect Spikes In My Sugar Levels

The exact timing of blood sugar spikes can vary from person to person and meal to meal. However, on average, the post-meal peaks tend to be about one hour and 15 minutes after starting a meal.

The best way to measure post-meal patterns is by using a continuous glucose monitor or Flash monitors. These devices can give you a clear view, including graphs, of what happens with the glucose levels after meals without the need for finger pricking . You can ask your diabetes health team if they are available for you as they are not available to everybody.

If you are not using a CGM, then please speak to your healthcare team about the best way to do this for you with finger prick testing.

How do I know it is a spike?

There is no universal answer or specific guidelines on when a sugar level is too high after meals. However, if post-meal readings are consistently above your target range , then you should discuss whether it would be beneficial for you to address these spikes and how to do this, with your healthcare team .

If you are reviewing your post-breakfast sugar levels, you should also be aware of changes in your hormones in the morning, which cause increases in sugar levels . This Digibete video may help.

Some ways to reduce blood sugar spikes after meals

1. Choose low glycaemic index foods

When blood sugar levels are low or hypoglycaemic we need high glycaemic index foods , such as dextrose tablets or juice, that are absorbed quickly to raise our levels and to treat the hypo.

Insulin And Blood Sugar

Insulin is an important hormone that helps regulate your blood sugar levels. The pancreas makes insulin. It helps control your blood sugar levels by assisting the cells that absorb sugar from the bloodstream.

If you have type 1 diabetes, your body doesnt make insulin. This means you have to inject insulin every day.

If diet and exercise arent enough to manage blood sugar, those with type 2 diabetes may be prescribed medications to help keep blood sugar levels within target ranges.

If you have type 2 diabetes, your body produces insulin, but may not use it properly or produce enough of it. Your cells dont respond to insulin, so more sugar keeps circulating in the blood.

Exercise can help the cells respond better and be more sensitive to insulin. The proper diet can also help you avoid spikes in blood sugar. This can help keep your pancreas functioning well since high blood sugar levels decrease pancreatic function.

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Exercise And Blood Sugar

Exercise can have a big effect on your blood sugar levels because blood sugar is used for energy. When you use your muscles, your cells absorb sugar from the blood for energy.

Depending on the intensity or duration of exercise, physical activity can help lower your blood sugar for many hours after you stop moving.

If you exercise regularly, the cells in your body may be more sensitive to insulin. This will help keep blood sugar levels within normal ranges.

Treating Low Blood Glucose If You Take Medicines That Slow Down Digestion

What To Eat The Night Before 3 Hour Glucose Test

Some diabetes medicines slow down the digestion of carbohydrates to keep blood glucose levels from rising too high after you eat. If you develop low blood glucose while taking these medicines, you will need to take glucose tablets or glucose gel right away. Eating or drinking other sources of carbohydrates wont raise your blood glucose level quickly enough.

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Blood Sugar Level Charts For Those With Diabetes

Normal blood sugar levels, for those with diabetes, will vary depending on someones age and the time of day. For example, when fasting, blood sugar levels are often in the target goal range. The type of food eaten will impact blood sugar levels in different ways. A meal with a lot of carbohydrates will raise blood sugar quicker than a meal that contains carbohydrates, protein, and fat . Blood sugar will rise after a meal, but will start to return to normal levels in several hours.

Lets take a look at what blood sugar levels should be, in those with diabetes, based on their age.

Blood Sugar Levels 2 Hours After You’ve Eaten

Many foods have types of carbohydrates called starches and sugars. When you eat foods with these types of carbohydrates, your body breaks them down into glucose, which is a type of simple sugar, and releases the glucose into your bloodstream. Aside from glucose produced by your liver, food is the main source of plasma glucose.

Two hours after eating, your blood sugar levels rise. They rise more when you eat more carbohydrates, when you do not eat fiber, fat, or protein with your carbs, and when you eat certain types of carbohydrates, such as refined sugars and starches.

These are target values from The Joslin Diabetes Center, which include levels for people with diabetes:

When Measured
90-150 mg/dl

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