Optimal Result: 0 - 0.1 kU/L.

- Walnut is one of the most common causes of allergic reactions to tree nuts.

- Walnut allergy is potentially life-threatening, increasing in prevalence, and rarely outgrown.

- The estimated prevalence of walnut allergy in the general population is as high as 0.5% and in food allergic children as high as 4%.

- Walnut and pecan nut are botanically closely related and show extensive cross-reactivity.

- Walnut allergy can appear early in life, symptoms can be elicited on first known exposure, and the dose can be very low.

- Walnut can induce food-dependent anaphylaxis elicited by exercise or other cofactors such as NSAID drugs or alcohol.

- Molecular allergy diagnostics can help to identify primary walnut sensitization in nut allergic patients.

What does it mean if your Walnut (f256) IGE result is too high?

One of the most common causes of allergic reactions to tree nuts.

- Estimated prevalence of walnut allergy in the general population is up to 0.7%

- Potentially life-threatening, increasing in prevalence, and rarely outgrown

If you can test it, we can track it — all test results, including the ones from your favorite labs.

10 000+ happy clients
100% satisfaction
★★★★★ customer support

Essential Plan


  • Monthly subscription
  • Instant interpretation
  • Use the free self-upload form
  • Additional charge for upload service
  • 2000+ biomarkers explained
  • Recommendations
  • Cancel anytime

Advanced Plan


  • Yearly subscription
  • Instant interpretation
  • We upload five reports for you
  • Use the free self-upload form
  • 2000+ biomarkers explained
  • Nutrition Recommendations
  • Online support
  • Cancel anytime

Own It For Life premium plan


  • No subscription
  • Unlimited access
  • Unlimited storage
  • Instant interpretations
  • We upload ten reports for you
  • Use the free self-upload form
  • 2000+ biomarkers explained
  • Nutrition Recommendations
  • Dedicated support

We implement proven measures to keep your data safe.

At HealthMatters, we're committed to maintaining the security and confidentiality of your personal information. We've put industry-leading security standards in place to help protect against the loss, misuse, or alteration of the information under our control. We use procedural, physical, and electronic security methods designed to prevent unauthorized people from getting access to this information. Our internal code of conduct adds additional privacy protection. All data is backed up multiple times a day and encrypted using SSL certificates. See our Privacy Policy for more details.

General Data Protection Regulation (GDPR). HIPAA compliance for healthcare professionals