What Is Considered A Normal Blood Sugar Level
The normal blood sugar level for a healthy adult should be less than 126 mg/dL or 6 mmol/L before fasting and meals, and below 200mg/dL two hours after meals.
If you are diabetic, then you should consult with your doctor in order for appropriate blood sugar level targets to be set based on the severity of your condition, medications taken and overall health status.
The below information describes what normal blood sugar levels are prior to and after meals and what the recommended HbA1c levels are for those with and without diabetes.
A HbA1c test determines your average level of blood glucose over the past two to three months. Red blood cells have a lifespan of roughly three months, and a HbA1c blood test measures the amount of glucose that has bound to them during this period.
A blood test to determine Haemoglobin A1c levels is often performed in those who have diabetes. These levels are a reflection of how well diabetes is being controlled.
Physical Exercise To Regulate Glucose
Your parent should try to exercise for 30 minutes at least four or five times per week, breaking down the workouts into ten- or fifteen-minute sessions based on his or her abilities and daily schedule. The best exercises for older adults who want to maintain normal glucose levels are cycling, walking, and swimming. These are movements that keep the heart pumping, burn calories, and help seniors maintain healthy blood sugar. Drinking water, eating healthy foods, and monitoring stress levels can also lower the risk of hyperglycemia.
A professional caregiver with training in nutrition and exercise can be an outstanding source of support for your senior loved one. Maintaining a high quality of life can be challenging for some seniors, but professional caregivers can help them obtain this goal. Families can trust senior care experts to help their elderly loved ones focus on lifestyle choices that increase the chances of living a longer and healthier life. Call Home Care Assistance today at 226-3737 to learn about our high-quality in-home care services.
Read Also: What Kind Of Ice Cream Can Diabetics Eat
What Is The Ideal Fasting Insulin Level
Insulin is an important hormone. Its canonical function is to signal cells to absorb glucose from the bloodstream, but it has many other effects. Chronically elevated insulin is a marker of metabolic dysfunction, and typically accompanies high fat mass, poor glucose tolerance and blood lipid abnormalities. Measuring insulin first thing in the morning, before eating a meal, reflects fasting insulin. High fasting insulin is a marker of metabolic problems and may contribute to some of them as well. Elevated fasting insulin is a hallmark of the metabolic syndrome, the quintessential modern metabolic disorder that affects 24% of Americans . The average insulin level in the U.S., according to the NHANES III survey, is 8.8 uIU/mL for men and 8.4 for women . Given the degree of metabolic dysfunction in this country, I think its safe to say that the ideal level of fasting insulin is probably below 8.4 uIU/mL. Lets dig deeper. What we really need is a healthy, non-industrial negative control group. Fortunately, Dr. Staffan Lindeberg and his team made detailed measurements of fasting insulin while they were visiting the isolated Melanesian island of Kitava . He compared his measurements to age-matched Swedish volunteers. In male and female Swedes, the average fasting insulin ranges from 4-11 uIU/mL, and increases with age. From age 60-74, the average insulin level is 7.3 uIU/mL. In contrast, the range on KitContinue reading > >
Read Also: Is Intermittent Fasting For Me
What Is The Fasting Blood Sugar Test Used For
The fasting blood sugar test is also used to test the effectiveness of different medication or dietary changes on people already diagnosed as diabetic
Fasting blood sugar levels are measured by taking a blood test after a period of fasting, usually of 8 hours without food. Typically, fasting blood glucose levels are taken in the morning before any breakfast is eaten. When having your fasting blood glucose levels take, you should not have any drinks apart from water during the period of fasting.
A fasting blood glucose test can be useful to see how well the body is able to manage blood sugar levels in the absence of food. When we do not eat for several hours, the body will release glucose into the blood via the liver and, following this, the bodys insulin should help to stabilise blood glucose levels.
A fasting blood glucose test therefore shows:
- Whether the body is able to bring down the raise in blood glucose levels from the previous meal
- How effectively the body copes with its own release of glucose
The target for fasting blood glucose levels are the same as the targets for before meal readings.
- For adults with diabetes, the target level is between 4 and 7 mmol/l
- For children with diabetes, the target level is between 4 and 8 mmol/l
However, some people may be set individual targets, by their doctor, that differ to the above levels.
Normal Blood Sugar Levels In Children
Younger than 6 years old mg/dL
Adults who are 20 years or older will have blood sugar levels that range between less than 100-180 mg/dL over the course of a day. When you wake up in the morning, your fasting blood sugar should be at its lowest because you havent consumed food for about eight hours. If youre an adult and struggling with glucose control, your healthcare provider can help you develop a treatment plan to manage your blood sugar better.
Blood glucose levels outside the ranges listed above are categorized as either high or low blood sugar. Blood sugar levels are considered high if theyre over 130 mg/dL before a meal or 180 mg/dL within one to two hours after a meal. Many people wont start to experience symptoms from high blood sugar until their levels are at 250 mg/dL or higher. The highest blood sugar level thats considered safe will depend on the person and whether they have diabetes, but will typically be between 160 to 240 mg/dL.
Read Also: What Do I Eat When Intermittent Fasting
Who Should Do The Test
According to the American Diabetes Association, screening for diabetes is recommended in people over 45 , or at any age if you have certain risk factors, including :
- Being overweight, obese, or physically inactive
- Having a close relative with diabetes
- Belonging to a certain race/ethnic group
- Having signs of insulin resistance or conditions associated with insulin resistance, such as high blood pressure , low good cholesterol and/or high triglycerides , and polycystic ovary syndrome
- Having had diabetes in pregnancy
Eat Healthy Foods And Follow A Regular Eating Schedule
Following a healthy diet as recommended by your diabetes team, watching portion sizes, and not skipping meals can help to prevent side effects like low blood sugar that can occur while taking glipizide. Notify your healthcare providers if you are not able to eat because you are sick or because you will be having a surgery or procedure done.
Also Check: What To Have During Intermittent Fasting
Fasting Blood Glucose Level Test Preparation
What should you do if your doctor orders a fasting blood sugar test? The preparation is the same as when you take a fasting test for cholesterol. First, be sure to find out if you need to schedule an appointment for your test . Ask your doctor what time is best to take it.
- Schedule your test if necessary
- Ask your doctor if you need to change any of the medications you take on the morning of the test
- If you normally drink coffee or have caffeine, ask your doctor if that is okay. It may not be, since it affects blood sugar levels
- Fast for at least 8 hours before your test. Usually, an overnight fast is most convenient
- You can drink water
Oral Glucose Tolerance Test
The OGTT is a two-hour test that checks your blood sugar levels before and two hours after you drink a special sweet drink. It tells the doctor how your body processes sugar.
- Diabetes is diagnosed at 2 hour blood sugar of greater than or equal to 200 mg/dl
Oral Glucose Tolerance Test
|140 mg/dl to 199 mg/dl|
|Diabetes||200 mg/dl or higher|
Before And After Exercise
Regular physical activity is a key part of managing diabetes. This is especially true for people with type 2 diabetes, as losing weight could make an enormous difference in overall health. For those with type 1 diabetes, exercise can help increase sensitivity to insulin and control blood sugar.
However, because physical activity uses energy, it depletes cells of glucose, drawing glucose from the bloodstream and potentially leading to hypoglycemia .
Checking your blood sugar levels before being active and immediately afterward can tell you if you have enough glucose to fuel your workout and the degree to which you’ve depleted it while exercising.
Target glucose ranges vary from person to person, but in general, it is ideal for blood sugar levels to be between 126 mg/dL and 180 mg/dL before starting exercise.
If you test your blood glucose and it’s lower than 126 mg/dL, here are the steps to take depending on the exact reading you get.
After you work out, test your blood glucose right away and again two to four hours afterward to check for a delayed drop in your level. If your blood sugar is lower at this point, continue checking it every two to four hours or until it’s no longer low and you’re sure your glycogen has been restored to normal.
Fasting & Elevated Blood Glucose
Type 2 diabetes for 20+ years. Started keto with intermittent fasting in January 2019. Why would my fasting blood glucose numbers during my 18-24-hour fast be elevated, then come down to normal ranges after eating?
Fasting can definitely raise blood glucose. This is due to the effect of insulin falling and the rising counter-regulatory hormones including increased sympathetic tone, noradrenaline, cortisol and growth hormone, in addition to glucagon. These all have the effect of pushing glucose from liver storage into the blood. This is normal. If you are not eating, you want to use some stored glucose. The question is this if you are not eating, and your blood glucose went up, where did that glucose come from? It can only have come from your own body . So, its a natural phenomenon, and the fasting now allows your body to use some of the glucose for energy.
Dr. Jason Fung
Don’t Miss: What Is The Fasting Diet Plan
What Should My Bgl Be
For a person without diabetes, throughout the day blood glucose levels will generally range between 4.0 7.8 millimoles of glucose per litre of blood regardless of how they eat or exercise, or what stress theyre under.
When youre living with diabetes your body cannot, or finds it hard to, keep your BGLs within a healthy range.
Because each person living with diabetes is different, your GP or specialist will set target BGLs that are right for you. However, here is some information you can use as a general guide.
Dont Miss: Is 119 High For Fasting Blood Sugar
What Happens During The Test
Most people can take an A1C test at any time without preparing beforehand. However, a doctor may sometimes request that a person avoids eating or drinking for 8 hours before the test.
Women who are pregnant may need to drink a sugary beverage 1 hour before the test.
A doctor or nurse will collect a blood sample, usually from a vein in the arm or hand. They will send the sample to a laboratory for analysis.
Recommended Reading: How Do I Lower My Fasting Blood Sugar
Ascertainment Of Prediabetes And Diabetes
Cases of prediabetes and diabetes were identified by baseline and follow-up OGTT according to ADA criteria . Pregnant women were excluded. The study included data of 806 FDRs who had the following characteristics:
– FPG levels less than 5.6 mmol/l at registration
– Absence of diabetes or impaired fasting glucose
– At least one subsequent review in mean follow-up period of 5.6 years
– Aged 30 years and over
Schematic diagram of the study population and course of investigation
Of the 3176 first-degree relatives of type 2 diabetes patients, followed between 2003 and 2010, 806 individuals fulfilled the inclusion criteria , and were included in the study to test for diabetes development. 2370 individuals were exceluded because they did not fulfill the inclusion chriteria or because of pregnancy. 1919 of these did not have a clinical visit in follow up, 451 had FPG 100. Of the 806 included subjects, 148 developed IFG, 129 IGT, and 43 diabetes. The other 486 FDRs remained without signs of diabetes development. FPG: fasting plasma glucose. IFG: impaired fasting glucose. IGT: impaired glucose tolerance.
– Higher waist circumference
– Higher body mass index
– Higher FPG
– Higher plasma glucose at 30 min and 60 min
– Higher cholesterol
– Higher high density lipoprotein cholesterol
– Higher low density lipoprotein cholesterol
Also non-attendees were older .
Still Frustrated With Your Blood Sugar And A1c Results
Your blood sugars and your insulin or medication needs never stay in one place. If you gain weight or lose weight, your insulin and medication needs will change. If you become more active or less active, your needs will change. If you make drastic or even small changes to your nutrition, your needs will change!
Working with your diabetes healthcare team, and diabetes coaches who can teach you how to make changes in your overall diabetes management plan are essential. Diabetes is a lifelong learning process.
Take a deep breath and be patient. If you dont like what youre seeing on your glucose meter, dont get madget studying! Take good notes and work with your team to make changes to reach your goals.
Read more about improving your A1c in DiabetesStrongs guide, How to Lower Your A1c.
If you liked this guide to normal blood sugar levels, please sign up for our newsletter using the form below. We send out a weekly newsletter with the latest posts and recipes from Diabetes Strong.
Recommended Reading: What Not To Eat When Fasting
Who Is Most At Risk For Developing Diabetes
The following categories of people are considered “high-risk” candidates for developing diabetes:
- Individuals who are overweight or obese
- Individuals who are 45 years of age or older
- Individuals with first-degree relatives with diabetes
- Individuals who are African-American, Alaska Native, American Indian, Asia American, Hispanic/Latino, Native Hawaiian, Pacific Islanders,
- Women who developed diabetes while they were pregnant or gave birth to large babies
- Individuals with high blood pressure
- Individuals with high-density lipoprotein below 25 mg/dl or triglyceride levels at or above 250 mg/dl
- Individuals who have impaired fasting glucose or impaired glucose tolerance
- Individuals who are physically inactive engaging in exercise less than three times a week
- Individuals who have polycystic ovary syndrome, also called PCOS
- Individuals who have acanthosis nigricans — dark, thick and velvety skin around your neck or armpits
In addition to testing the above individuals at high risk, the American Diabetes Association also recommends screening all individuals age 45 and older.
Normal Blood Sugar Levels
It is important to work with your doctor to maintain healthy blood sugar levels. The following is a list of healthy blood sugar levels.
If an individual has type 1 diabetes the blood sugar should be the following:
- 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
If an individual has type 2 diabetes, levels should be the following:
- Before meals: From 70 to 130 mg/dL for adults
- After meals : Less than 180 mg/dL for adults
Don’t Miss: How Many Hours For Intermittent Fasting
When Combining Keto And : 2 Intermittent Fasting On Fasting Days Do You Still Follow The Macro Guidelines For Keto
On the two days of fasting, should the 500 calories consumed be of the same macro proportions as followed on the normal keto days? Or can you consume 500 calories of any food without going out of ketosis?
I dont generally recommend people to count calories. Fasting means not eating anything at all, so there is no counting macros. Dr. Mosleys 5:2 diet allows 500 calories of whatever you like. But thats his diet, not mine. I advocate intermittent fasting, with no calories.
Dr. Jason Fung
What A Fasting Blood Sugar Test Shows
A fasting blood sugar test performed by a healthcare professional will return results that will fall into one of three different ranges: Normal range, prediabetes, or diabetes. The Centers for Disease Control and Prevention and the ADA categorize these ranges with the following results:
|Diabetes||126 mg/dL or higher|
A fasting blood sugar test that is performed by a healthcare professional and sent to a lab can help in the diagnosis of diabetes. An at-home fasting test should not be used to diagnose diabetes because there are many factors of a finger stick test that can affect accuracy, such as environmental conditions, expired or damaged test strips, residue on unwashed fingers, insufficient blood drop, and testing site location. You can read more about the factors that affect accuracy in this article: The Truth Behind the Numbers: What Affects Blood Glucose Meter Accuracy?
At-home fasting blood sugar tests have a different purpose in diabetes management. They provide a baseline blood sugar reading that, when compared to other readings throughout the day, allows people with diabetes to learn what factors affect their blood sugar and by how much. For instance, if you started the day within a normal range and then saw higher levels later on, there is likely a certain trigger that caused your levels to increase maybe it is due to taking a certain medication, eating a big meal, or other factors.
Also Check: Does Fasting Lower Blood Sugar