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hazelnut

Also listed as: Noisette, Haselnuss, Avellana, Nocciola, Avelã

Mild

hazelnut undergoes chemical extraction or heat processing. Frequent exposure should be evaluated against potential cumulative toxicity and cellular stress.

Recommended safe frequency
dailyCaution — avoid cumulative daily intake
weeklyLimit to 1-2 times weekly
monthlySafe for occasional consumption
Brand lens check
  • MicroplasticsNot flagged
  • SugarsNot flagged
  • Seed OilsNot flagged
Body systems impacted
  • Gut / Digestive
Regulatory status
  • FDAAllowed with limits
  • EFSAUnder safety review due to toxicity concerns

PubMed References

Primary Research

Adverse health outcomes associated with chronic exposure to hazelnut(2022)

PubMed (PMID 34190281)

Last reviewed: May 2026

FAQ

Is hazelnut bad for you?

hazelnut undergoes chemical extraction or heat processing. Frequent exposure should be evaluated against potential cumulative toxicity and cellular stress.

What does hazelnut do to your body?

hazelnut primarily affects: Gut / Digestive.

How often is it safe to consume hazelnut?

Daily: Caution — avoid cumulative daily intake. Weekly: Limit to 1-2 times weekly. Monthly: Safe for occasional consumption.

What products contain hazelnut?

hazelnut is commonly found in food products. Use the Zeral app to scan any product and instantly see if it contains hazelnut.

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Medical Disclaimer: The information on this page is compiled from peer-reviewed scientific studies and regulatory reports. It is intended for general awareness and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.