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Beta-lactoglobulin IgE test for milk allergy symptoms after dairy consumption

Beta-Lactoglobulin Milk Allergy IgE Blood Test

Beta-Lactoglobulin (f77) IgE

  • Detect milk protein allergy sensitivity
  • Screen dairy-related digestive symptoms
  • Identify triggers behind skin reactions
$58
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First results as soon as overnight*

All results normal? Get your money back. First-time customers only. File a support ticket titled “Money Back Guarantee” with your order number within 15 days of receiving your results. STD, Sickle Cell, and gift orders aren’t eligible. Full terms apply. guarantee
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Prescription & all lab fees included

Go directly to the lab, no extra fees

Doctor's guidance included

Easy to understand results

Fast & convenient

Lab visit as quick as 10 mins in & out

  • Many results come back overnight *
  • 90-day money back guarantee
  • Save time & skip the doctor’s office
  • Lab visit as quick as 10 minutes
  • Results explained, with clear next steps
  • LegitScript certified
  • No questions asked refunds
  • The price you see is the price you pay

Prescription & all lab fees included

Go directly to the lab, no extra fees

Doctor's guidance included

Easy to understand results

Fast & convenient

Lab visit as quick as 10 mins in & out

All results normal? Get your money back. First-time customers only. File a support ticket titled “Money Back Guarantee” with your order number within 15 days of receiving your results. STD, Sickle Cell, and gift orders aren’t eligible. Full terms apply. guarantee
No questions asked refunds
LegitScript certified

What's this test for?

This test is ideal if you're experiencing symptoms like hives, stomach upset, swelling, or breathing trouble after drinking milk or eating dairy products. It checks whether your immune system is reacting to beta-lactoglobulin, a key milk protein, and can help you understand if a milk allergy might be behind your symptoms. It's especially useful if skin allergy testing isn't a good option for you, such as if you have a skin condition or take antihistamines regularly.

What's included in this test?

This test measures one specific antibody marker that shows whether your immune system has developed a sensitivity to a common milk protein. It matters because identifying this immune response can help explain reactions you may have after consuming dairy, giving you a data point to combine with your symptom history.

What happens after I get my results?

Your results will show up in your account with a clear explanation of what a normal versus elevated IgE range means. If your result is elevated, a practical next step is to keep a food and symptom diary and consider limiting dairy to see if symptoms improve, then retesting later if needed. If you experience severe reactions like difficulty breathing or swelling of the throat, seek emergency medical care right away. You can download a standard lab report from your account anytime, and the trends feature lets you track this marker over time if you retest.

When will I get my results?
Results are typically ready within about 7 days of your lab visit. Once processed, they'll be uploaded directly to your secure online account, where you can view and download them at your convenience.
Who should consider this test?
This test is a good fit for anyone who suspects dairy is causing them digestive issues, skin reactions, or other allergy-like symptoms. It's also helpful for people who can't do standard skin-prick allergy testing due to skin conditions, medication use, or risk of a serious reaction. Parents monitoring a child's reaction to milk products may also find this test useful.
What symptoms indicate I may need this test?
Common signs include hives or itchy skin, stomach cramps, bloating, diarrhea, or nausea after consuming milk or dairy foods. Some people also notice swelling of the lips or face, a runny nose, or in more serious cases, difficulty breathing. If these symptoms show up consistently after dairy intake, this test can help clarify what's going on.
How can I naturally support a healthy immune response to food sensitivities?
Eating a balanced diet rich in fruits, vegetables, and fiber can help support overall gut and immune health. Reducing processed foods and staying well-hydrated may also ease digestive stress if you're reacting to certain proteins. Some people find that probiotics or fermented foods help support gut balance, though results vary from person to person.
What does a high beta-lactoglobulin IgE result mean?
A high result means your immune system has built up antibodies that react to this milk protein, suggesting you may be sensitized to it. This doesn't automatically mean you'll have symptoms every time you eat dairy, but it raises the likelihood that milk products are linked to any reactions you've noticed. Tracking your symptoms alongside this result gives you a fuller picture.
What causes a high beta-lactoglobulin IgE result?
A high result happens when your immune system mistakenly identifies the milk protein beta-lactoglobulin as a threat and produces antibodies against it. This immune reaction can develop at any age, though it's more common in infants and young children who are later outgrown in many cases. Repeated exposure to dairy without any prior issues can sometimes still lead to sensitization over time.
How often should I retest?
If you're actively changing your diet to avoid dairy, retesting every 6 to 12 months can help you track whether your sensitivity is changing. If your symptoms are stable and you're not making dietary changes, retesting isn't usually necessary unless new symptoms appear. Use the trends feature in your account to keep an eye on changes over time.
How’s this work?
Getting your blood test with us is easy, private & backed by the power of science.

Long story short:
  1. In the test options, use the filters or search box to narrow your choices and find the test you want.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!
  8. If you have any questions, please text us at 754-799-7833 or email [email protected] 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 [email protected], and we'll gladly help you. We've got your back and reply quickly.
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 [email protected]. 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 [email protected].
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 [email protected].

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 [email protected] and we'll gladly help you.

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Demo results
Beta-Lactoglobulin (f77) IgE 0.85 kU/L
Demo results
Negative (<0.35 kU/L) Positive (>0.35 kU/L)
0.85 kU/L

What this means

This result falls in the positive range, meaning your immune system shows sensitization to beta-lactoglobulin, a protein found in cow's milk. This doesn't guarantee you'll have symptoms every time you consume dairy, but combined with your symptom history it can help clarify a possible milk allergy.

* Regular blood test results (e.g., CBC) typically start arriving the next business day after sample collection. More advanced tests may take longer due to complexity.
Here’s how easy it is to get blood work done on your terms
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Beta-Lactoglobulin Milk Allergy IgE Blood Test

  • Detect milk protein allergy sensitivity
  • Screen dairy-related digestive symptoms
  • Identify triggers behind skin reactions
$58
Still got questions? Text our super-cool support team at 754-799-7833 to get help finding your ideal checkup.
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For informational purposes only. Not medical advice.