Fasting Insulin

Loading...
SKU
fasting-insulin
$22.00

First time customer? Read How Discounted Labs Works 

IMPORTANT NOTICE ABOUT DISCOUNTED LABS SERVICES: We currently serve the following states:

Alabama, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, North Carolina, New Mexico, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Virginia and Washington.

Other states will be added in the coming months, so please subscribe to our newsletter on the website footer to be notified.

The fasting insulin test is a blood test that measures the level of insulin in your blood after you have fasted (not eaten or drunk anything except water) for at least 8 hours. Insulin is a hormone produced by the pancreas that helps regulate blood sugar levels. The fasting insulin test is often used to help diagnose conditions such as insulin resistance, prediabetes, and type 2 diabetes. It may also be ordered to monitor the effectiveness of treatment for these conditions. The test is usually done in the morning, after an overnight fast. The test results will be reported in units of insulin per liter of blood (U/L). It is important to note that the interpretation of a fasting insulin test may vary depending on the individual's medical history and other factors. A healthcare provider should be consulted to interpret the test results correctly.

 

Understanding the Fasting Insulin Test

The fasting insulin test is a blood test that measures the level of insulin in your blood after you have fasted (not eaten or drunk anything except water) for at least 8 hours. The pancreas produces insulin, a hormone that aids in controlling blood sugar levels. The fasting insulin test is often used to help diagnose conditions such as insulin resistance, prediabetes, and type 2 diabetes. It may also be ordered to monitor the effectiveness of treatment for these conditions, including insulin secretion. The test is usually done in the morning, after an overnight fast. The test results will be reported in units of insulin per liter of blood (U/L) and blood glucose levels. These blood levels are essential in determining insulin resistance and diabetes risk, as well as other conditions such as Cushing’s syndrome. However, it is important to note that the interpretation of a fasting insulin test, including insulin test results, may vary depending on the individual's medical history and other factors. A healthcare provider should be consulted to interpret the test results correctly. If the test shows that the individual's pancreas is not producing enough insulin to overcome their cells' weak response to insulin, they may be diagnosed with insulin resistance or diabetes. Another test that doctors may use to diagnose insulin resistance and prediabetes is the oral glucose tolerance test (OGTT). This test involves drinking a glucose solution and then measuring blood glucose levels over time to see how the body responds to the glucose. It is more expensive and not as easy to give, but it can provide more accurate results for diagnosing these conditions.

This test measures the amount of insulin, the hormone that lets cells take in glucose. Glucose, a sugar from food, is the body's primary energy source. The gastrointestinal tract absorbs glucose and other nutrients from the foods we eat, which our bodies then break down.

Glucose levels rise after meals and trigger the pancreas to release insulin into the blood. Insulin works like a key that opens the doors to cells and allows glucose in. Without insulin, glucose can't get into the cells and stays in the bloodstream.

For good health, the body must be able to balance insulin and glucose levels. With too little insulin, blood sugar remains higher than normal (a condition known as hyperglycemia), and cells can't get the energy they need. With too much insulin, blood sugar decreases (hypoglycemia), causing symptoms such as sweating, trembling, lightheadedness, and, in extreme cases, shock. The most common cause of abnormal fluctuations in blood sugar is diabetes, which can lead to symptoms of low levels of insulin and hypoglycemia. These symptoms include sweating, shaking, arrhythmia, confusion, dizziness, headaches, and hunger. In severe cases, hypoglycemia can cause fainting and seizures, requiring immediate medical treatment. It is important to monitor insulin and glucose levels through regular blood tests, especially for those who experience symptoms of hypoglycemia, to prevent and manage this serious condition.

Fasting Insulin Blood Test: Why This Test Could Save Your Life!

The fasting insulin test is a blood test that measures the level of insulin in your blood after you have fasted (not eaten or drunk anything except water) for at least 8 hours. The pancreas secretes the hormone insulin, which is essential for producing insulin and aiding in blood sugar regulation. The normal range for fasting insulin levels varies, but most labs consider 2 to 20 mIU/mL as normal. The fasting insulin test is often used to help diagnose conditions such as insulin resistance, prediabetes, and type 2 diabetes, as well as metabolic syndrome. It may also be ordered to monitor the effectiveness of treatment for these conditions, especially in cases of weight fluctuations and gain. The test is usually done in the morning, after an overnight fast. A healthcare provider will take a blood sample from a vein in your arm and send the sample to a laboratory for analysis. The test results will be reported in units of insulin per liter of blood (U/L). However, it is important to note that the interpretation of a fasting insulin test may vary depending on the individual's medical history and other factors, such as weight gain. A healthcare provider should be consulted to interpret the test results correctly. The fasting insulin test is also crucial in determining plasma glucose levels and monitoring blood sugar homeostasis.

Insulin is one of the essential hormones in your body. Most people know about diabetes and how it can threaten your life if not managed properly. Insulin is vital to this picture, so you should test it regularly.

A fasting insulin test is inexpensive and can be done using a single blood sample. Remember that you should only eat or drink water for at least 8-10 hours before doing this test. This is crucial for the accuracy of your fasting insulin blood test result.

Please keep reading to learn more about insulin and its role in the body.

What Exactly is Insulin?

Your pancreas produces the substance known as insulin. Its vital role is to process the sugar in your blood. Whether you eat lettuce or a hearty meal, all this food is transformed into glucose in the blood. This is also known as blood sugar, your primary energy source.

But sugar doesn't help you if it floats around in the bloodstream. When glucose levels rise, pancreatic cells secrete insulin. This insulin "opens up" cells in your tissues, organs, and muscles to absorb some glucose in the blood and use it for energy.

As you can see, this hormone is vital in keeping you healthy and giving you enough energy to carry out various tasks throughout the day. Insulin also has a role in lipid metabolism. This means that it helps your body process fats correctly.

Fasting Insulin Test vs. Blood Glucose Test

The fasting insulin and blood glucose tests frequently cause confusion because many people believe they are interchangeable. However, blood glucose and insulin are two different things. It would be best if you fasted for both tests, but they entail two other things related to your health.

Insulin is a substance that reduces blood sugar levels and has different effects. For example, a blood glucose test reveals how much sugar you have in your blood in a fasted state. This simple result can categorize you as a pre-diabetic or diabetic person.

When you do a fasting insulin test, you check how much insulin is floating in your blood and whether your pancreas works appropriately. Insulin resistance may be to blame for some people's high levels of glucose and insulin in their bloodstream.

What Are the Normal Levels of Insulin?

The reference values for insulin depended on when you ate last time. Remember that as soon as glucose is detected in the bloodstream (because you ate something recently), your pancreas does its job of secreting insulin.

Therefore, the numbers will be higher a few hours after eating than those shown during a fasting state. For example:

  • Normal insulin levels should be lower than 25 mIU/L of blood when fasting
  • Normal insulin levels should be between 18 and 276 mIU/L of blood 1 hour after ingesting glucose
  • Normal insulin levels should be between 16 and 166 mIU/L of blood 2 hours after ingesting glucose

As you can see, insulin levels increase to absorb the glucose in the bloodstream and send it to cells and tissues. After that, they fall to normal levels, and the process repeats over and over again.

What Do High Insulin Results Mean?

Too little insulin is rare, usually because your pancreatic cells might be damaged. This means your body doesn't produce sufficient insulin, and you must rely on a daily dose of this hormone to live normally.

People with high insulin levels are at the other end of the spectrum, even during a fasted state. This is usually called hyperinsulinemia, and numerous factors cause it. For example, obesity is generally associated with excessively high insulin levels.

Insulin Resistance

One of the main reasons people have too much insulin in their bloodstream is insulin resistance. This is a condition in which your cells become resistant to insulin, and they don't "open up" to absorb glucose in the body.

Insulin resistance is also associated with type 2 diabetes. In short, your body produces insulin, but cells cannot absorb the glucose in the bloodstream. As a result, you will feel primarily lethargic and confused since little to no energy (glucose) is fed to your tissues and organs.

Insulin resistance develops over time. This makes cells less sensitive to insulin, which is how diabetes develops. An unhealthy lifestyle, lack of physical exercise, poor diet, smoking, excessive drinking, etc., usually cause it.

Plaque Buildup

Living with an elevated level of insulin in your body regularly can damage your cardiovascular system. Plaque buildup, a form of wax that lines up the interior of your veins and arteries, can develop due to too much insulin in the body.

This leads to high blood pressure, damage to your heart and blood vessels, and increased risks for other complications such as coronary artery disease, stroke, heart attacks, and others. As you can see, it's paramount to do everything you can to lower your insulin levels if they're too high.

Lowering your insulin levels depends on what makes them high in the first place. For example, eating less sugar and following a low-carb diet might put less load on your pancreas, and this organ will secrete less insulin daily.

Working out more often and adopting a more active lifestyle will reduce insulin resistance, making cells more sensitive to glucose. Your doctor will help you with a tailored treatment plan if you have high insulin levels.

Order Your Fasting Insulin Test Today!

Insulin is one of the essential hormones in the body. That's why you must ensure it stays within normal values. If your results are abnormal, there are plenty of treatment options you can explore to live a healthier life.

References:

What Is a High Insulin Level?

Hyperinsulinemia: Is it diabetes?

 

 

HOW DOES DISCOUNTEDLABS.COM WORK?

  1. Go to the "Find a Location" page to find the closest lab location. No need to make an appointment since walk-ins are welcomed. Once you have identified your closest location, go to step 2.

  2. Go to "Choose a Test" and add your selection (s) in the shopping cart. If you prefer to save money on bundled tests, we have created "Lab Test Panels" that can help you decide what to order.

  3. If you have a discount coupon code, add it to your cart.

  4. A $8 lab processing fee will be added to your total.

  5. Pay using a credit card.

  6. You will receive an order confirmation and instructions email on how to download your lab request.

  7. Print lab request form that you downloaded.

  8. Take that form to the closest location. Get your blood drawn.

  9. You will receive an email when the results are ready for you to download.

    Note: You cannot place an order under someone else's profile. The profile person's name will appear on the lab order form.

     

    If you have further questions, please email [email protected].