What's this test for?

This test is ideal if you're managing diabetes with insulin injections and want to understand how your body is responding to treatment. It's particularly helpful if you have insulin antibodies that may interfere with standard insulin tests, providing a clearer picture of your actual active insulin levels. People use this test to better understand their blood sugar control and adjust their diabetes management accordingly.

What happens after I get my results?

You'll receive detailed doctor notes in simple language explaining what your free insulin levels mean for your blood sugar control and diabetes management. These notes include personalized recommendations like dietary adjustments, timing of insulin doses, or whether you should discuss treatment changes with your endocrinologist. You'll also get the standard lab report and can track your insulin levels over time using our trends feature to see how your management strategies are working.

What's included in this test?

This test measures Insulin, Free (Bioactive). This test measures free (bioactive) insulin, which is the portion of insulin in your blood that's actually available to help control your blood sugar. Unlike standard insulin tests, this measurement filters out insulin that's bound to antibodies, giving you a more accurate picture of your body's true insulin activity. This is especially valuable for people on insulin therapy who may have developed antibodies that interfere with regular insulin testing.

How should I prepare for this test?

You'll need to fast overnight before this test, which means no food or drinks except water for at least 8-12 hours before your blood draw. This fasting period ensures accurate measurement of your baseline insulin levels without interference from recent meals. Be sure to continue taking your prescribed medications unless your doctor advises otherwise, and schedule your test for early morning when possible.

Who should consider getting this test?

This test is specifically designed for people with diabetes who are taking insulin injections and have developed insulin antibodies. If you're experiencing unpredictable blood sugar levels despite careful insulin dosing, or if standard insulin tests don't seem to match your symptoms, this test can provide clearer answers. It's also useful for anyone whose doctor suspects insulin antibodies are interfering with diabetes management.

What symptoms indicate I may need this test?

You may need this test if you're on insulin therapy but experiencing unexplained high or low blood sugar episodes that don't match your insulin doses. Other signs include difficulty achieving stable blood sugar control, inconsistent responses to the same insulin dose, or if your standard insulin test results don't align with your symptoms. This is particularly relevant if you've been on insulin therapy for an extended period.

What is free insulin and why does it matter?

Free insulin is the biologically active form of insulin that's not bound to antibodies in your blood. When you take insulin injections, your body may develop antibodies that attach to the insulin, making it temporarily unavailable to control blood sugar. Free insulin testing specifically measures only the insulin that's actually working in your body, giving you and your doctor a more accurate picture of your true insulin activity for better diabetes management.

How can I naturally support healthy insulin function?

Supporting healthy insulin function involves eating balanced meals with complex carbohydrates, lean proteins, and healthy fats to avoid blood sugar spikes. Regular physical activity, especially after meals, helps your body use insulin more effectively. Managing stress through relaxation techniques, getting adequate sleep, and maintaining a healthy weight all contribute to better insulin sensitivity and blood sugar control.

What does high free insulin mean?

High free insulin levels may indicate insulin resistance, where your body needs more insulin than normal to control blood sugar effectively. This can be a sign of prediabetes, type 2 diabetes, or metabolic syndrome. For people on insulin therapy, elevated levels might suggest you're taking more insulin than your body needs, which could increase the risk of low blood sugar episodes.

How often should I retest my free insulin levels?

If you're being monitored for insulin antibodies or adjusting your diabetes treatment, your doctor may recommend retesting every 3-6 months to track how your body is responding. Once your insulin therapy is stable and working well, annual testing may be sufficient. If you're experiencing changes in blood sugar control or starting new medications, more frequent testing might be needed to ensure optimal management.

Getting your blood test with us is easy, private & backed by the power of science.Long story short: In the test options, use the filters or search box to narrow your choices and find the test you want. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy! If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

How do I know which test to get?

In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option. Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.

When will my lab results be available?

Most test results will be available within 1–3 business days. Once they're ready, we'll send an email and text message to let you know. After your blood draw, just hang tight and don't worry – we'll keep you updated and in the loop! If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com, and we'll gladly help you.

Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?

Absolutely! We totally understand that errors can happen. No worries, we're here to help you. Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you. There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out. Our lab requires an address to be listed to generate an order.

Do you accept health insurance?

Only HSA & FSA is accepted. Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts. This policy applies to all insurance companies, including federal health insurance programs like Medicare. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

Can I cancel my order?

Yes. We get it – sometimes your needs change. As long as your samples haven’t been collected yet, we’re happy to help you cancel your order. If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com. You can read more about our cancellation policy here.

How can I find a lab location near me?

During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp). Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

Insulin Blood Test - Blood Sugar & Diabetes Control

Getting your blood test with us is easy, private & backed by the power of science.

Long story short:

In the test options, use the filters or search box to narrow your choices and find the test you want.
If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!

754-799-7833

[email protected]

Blood Test for Insulin Activity and Sugar Control

Insulin, Free (Bioactive)

90 day happiness guarantee

Prescription & fees included

Easy to understand results

Fast & convenient

90 day happiness guarantee

Prescription & fees included

Easy to understand results

Fast & convenient

What's this test for?

How should I prepare for this test?

What's included in this test?

Here’s why 1,000,000+ customers chose us for affordable hassle-free private blood testing.

Blood Test for Insulin Activity and Sugar Control

90 day happiness guarantee

Prescription & fees included

Easy to understand results

Fast & convenient

1,000,000+ blood tests later, here's what our customers say

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