What's this test for?

This test is ideal if you're experiencing digestive discomfort, skin issues, headaches, or fatigue that seem to show up after eating and you suspect Brazil nuts might be a trigger. It measures your immune system's IgG response to Brazil nut proteins, which can help you connect the dots between what you eat and how you feel. It's a helpful starting point if you've been guessing which foods to cut out of your diet.

What happens after I get my results?

Your results will show up in your online account, with your IgG level for Brazil nut clearly explained alongside the normal reference range. If your result comes back elevated, a simple next step is to try removing Brazil nuts from your diet for a few weeks and see if your symptoms improve, then consider retesting later to track changes. You can download a standard lab report from your account at any time, and the trends feature lets you compare this result to any future tests so you can see your progress over time.

Who should consider this test?

This test is a good fit if you regularly eat Brazil nuts or foods that contain them and notice unexplained symptoms like bloating, rashes, brain fog, or joint discomfort. It's also useful if you're trying to narrow down a longer list of suspected food triggers through an elimination approach. People with a family history of food sensitivities may also want to check this as part of building a clearer picture of their diet.

How can I naturally support a healthy immune response to food sensitivities?

Eating a varied, whole-foods diet and limiting processed foods can help keep your immune system balanced. Some people find that gut-supporting foods like fermented vegetables, bone broth, or probiotics help calm food sensitivity symptoms over time. Reducing stress and getting enough sleep also play a role, since both can influence how your immune system reacts to foods. If symptoms are severe, removing the suspected trigger food is usually the most direct way to feel better.

When will I get my results?

Results are typically ready within about 7 days of your lab visit. Once ready, you'll be able to log into your account to view and download your report. You'll get a notification as soon as your results are available so you're not left checking repeatedly.

What symptoms indicate I may need this test?

Common signs that prompt people to check Brazil nut IgG levels include bloating, stomach cramps, diarrhea or constipation, skin rashes or eczema, headaches, and unusual fatigue after eating. These symptoms often show up hours or even a day after eating the trigger food, which makes it hard to pinpoint the cause without testing. If you notice a pattern between eating nuts and feeling unwell, this test can help clarify things.

What does a high Brazil nut IgG result mean?

A high result means your immune system is producing more antibodies in response to Brazil nut proteins than typical, which some people associate with food sensitivity symptoms. This is different from a true allergy, so it usually doesn't mean a severe or dangerous reaction. A practical next step is to try cutting Brazil nuts from your meals for a few weeks and track how you feel.

What causes a high Brazil nut IgG result?

Frequent or repeated exposure to Brazil nuts in your diet is the most common reason for an elevated result, since your immune system builds up a response over time. Some people also see increases when their gut lining is more permeable, sometimes called a 'leaky gut,' which allows more food particles to interact with the immune system. Genetics and overall gut health can both play a role too.

How often should I retest?

If you make a dietary change based on your results, retesting after about 8-12 weeks is a reasonable timeframe to see if your IgG levels and symptoms have changed. If you're not changing your diet, annual testing is generally enough to keep track of any shifts. Retest sooner if new or worsening symptoms show up.

What should I do if my results are abnormal?

Start by removing Brazil nuts and any foods containing them from your diet for a few weeks and note whether your symptoms improve. Keeping a simple food and symptom journal can help you confirm the connection. If symptoms are severe or you notice signs of a true allergic reaction like swelling or difficulty breathing, seek medical care right away since that requires urgent attention beyond what this test covers.

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.

Brazil Nut IgG Test - Food Sensitivity Check

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]

Brazil Nut IgG Food Sensitivity Blood Test

Allergen Specific IgG Brazil Nut Food

Prescription & all lab fees included

Doctor's guidance included

Fast & convenient

Prescription & all lab fees included

Doctor's guidance included

Fast & convenient

What's this test for?

What happens after I get my results?

Who should consider this test?

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

Find a lab near you

Brazil Nut IgG Food Sensitivity Blood Test

Prescription & all lab fees included

Doctor's guidance included

Fast & convenient

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