• Information technology's of import to know what a normal blood sugar is if you accept diabetes, or if you may be at chance.
  • For diabetics, normal claret sugar levels are considered between 80 to 130 mg/dL after fasting, and less than 180 mg/dL one to two hours later eating.
  • For those without diabetes, normal claret saccharide levels are considered between 70 to 99 mg/dL afterwards fasting, and less than 140 after eating.
  • This article was medically reviewed past Jason R. McKnight, Md, MS, a family medicine physician and clinical assistant professor at Texas A&M College of Medicine.
  • This story is part of Insider's guide to Diabetes.

If y'all accept diabetes , daily management of your blood sugar levels is of import to feeling your best and preventing long-term health complications.

Blood sugar tin besides exist an important measurement to decide your chance for diabetes. For example, those with prediabetes volition accept their claret sugar tested at least annually, equally abnormal claret sugar levels can indicate you may be likely to develop type 2 diabetes .

Here's what y'all need to know about how blood saccharide is measured, what's considered normal, and how to regulate blood saccharide if it'due south also loftier or low.

What is claret sugar?

Blood saccharide, or claret glucose, is a measurement of the amount of glucose in your claret.

When you consume carbohydrates, your torso breaks downward those carbs into glucose. This becomes your body'southward primary source of energy, and fuels the vital functions in your encephalon, heart, liver, and muscles, says Nestoras Mathioudakis, MD, a diabetes skilful at Johns Hopkins Medicine.

For people without diabetes, the pancreas releases insulin to assistance your cells absorb glucose and fuel your body. But for people with diabetes, the body does not produce insulin or it doesn't work properly, and as a effect, blood carbohydrate levels must be carefully regulated to prevent health complications.

How to measure blood sugar levels

There are 2 chief ways to check your blood carbohydrate levels:

  1. Blood glucose test. At that place are many at-home devices — such as finger-prick monitoring kits or continuous glucose monitors — that y'all tin can apply to measure blood saccharide on your ain.
  2. An A1C test. A1C is a blood test, conducted by your doctor, that describes your average claret sugar levels for the past three months.

Type 1 diabetics, along with some type 2 diabetics, who crave insulin medication, must cheque their blood sugar at least four times per day, says Mathioudakis. Typically, this should be done before a meal, one to two hours after a meal, and at bedtime.

The timing of these measurements can assistance determine how much insulin to utilise. For example, information technology can be important to use more insulin later on a high-saccharide meal, or to avoid falling into hypoglycemia while you're sleeping.

To bank check your claret carbohydrate at abode, you should use blood glucose tests, such as a glucose meter or continuous glucose monitor (CGM). Both devices measure claret sugar with the unit of measurement mg/dL, which ways a milligram of sugar per deciliter of blood.

If you lot don't take diabetes, but y'all may be at run a risk, your physician might have you lot accept an A1C test during a yearly check-up. This examination reports results as a percentage; the higher the percentage, the college your blood sugar has been in the past three months. Those with diabetes should go an A1C test at to the lowest degree twice a year — and sometimes every three months.

What'southward normal?

The post-obit chart depicts normal blood sugar measurements, depending on which examination you lot employ and when you take information technology.

Yuqing Liu/Insider

Overall, what is considered a normal blood saccharide level can await different depending on someone's age, weight, gender, and other factors.

For instance, a 2017 report published in the journal Physiology & Behavior suggests that women could accept lower fasting blood glucose levels and be more than insulin resistant due to lower musculus mass compared to men. However, the aforementioned study finds that pre-diabetic symptoms like impaired fasting glucose is more than common among men. Normal blood sugar levels also increment as y'all age.

And then, talk with your doctor almost what normal blood sugar is for y'all in lodge to all-time manage your wellness.

How to regulate your blood sugar levels

Most of the time, y'all'll exist able to regulate your claret carbohydrate on your ain if it'south too loftier or low.

If your levels are too high — over 140 mg/dL earlier a meal or 180 mg/dL after a repast — you may be experiencing hyperglycemia. Symptoms can include:

  • Headache
  • Irritability
  • Fatigue
  • Frequent urination
  • Excess thirst

To lower blood carbohydrate, yous'd desire to utilise more insulin medication to help your cells absorb glucose.

On the other hand, hypoglycemia is when your claret sugar is also low, typically under 70 mg/dL. Common signs may include:

  • Hunger
  • Nausea
  • Confusion
  • Feeling shaky or sweaty
  • Blurred vision

If you lot need to heighten your claret sugar, you should eat a glucose tablet or drink something sugary, such as fruit juice.

Mathioudakis says that those with a family history of diabetes — and who evidence high fasting glucose — should talk with their doctor about how to regulate blood carbohydrate levels. And if your blood sugar spikes too high, such as 200 mg/dL or more, you should seek immediate medical attention.

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MK Manoylov is a contributer at INSIDER and a freelance science writer. MK is currently pursuing a master's degree from New York University'south Scientific discipline, Health, and Environmental Reporting Programme (SHERP). When not reporting on a story, you can find MK writing fiction.