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perfluorobutanesulfonic acid

Also listed as: PFBS

Mild

perfluorobutanesulfonic acid 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 perfluorobutanesulfonic acid(2022)

PubMed (PMID 34190281)→

Last reviewed: May 2026

FAQ

Is perfluorobutanesulfonic acid bad for you?

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

What does perfluorobutanesulfonic acid do to your body?

perfluorobutanesulfonic acid primarily affects: Gut / Digestive.

How often is it safe to consume perfluorobutanesulfonic acid?

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

What products contain perfluorobutanesulfonic acid?

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

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hexafluoropropylene oxide dimer acidMildperfluorononanoic acidMildperfluorooctanoic acidMild6:2 fluorotelomer alcoholMildperfluorodecanoic acidMildacrylonitrile butadiene styreneHigh Concern
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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.