FDA Launches Safety Review of BHA: Public Input Sought on Common Food Preservative

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BHA’s Widespread Presence in Everyday Foods (Image Credits: Flickr)

The U.S. Food and Drug Administration has begun a detailed reassessment of butylated hydroxyanisole, known as BHA, a synthetic antioxidant long present in the nation’s food supply.[1][2]

BHA’s Widespread Presence in Everyday Foods

Officials first listed BHA as generally recognized as safe in 1958 and approved it as a direct food additive three years later.[1] The chemical prevents the spoilage of fats and oils, primarily consisting of 3-tert-butyl-4-hydroxyanisole with traces of its isomer.[3]

Manufacturers add it to a range of products, including breakfast cereals, cookies, potato chips, meats, and chewing gum. It also appears in ice cream, candy, frozen meals, and even migrates from certain packaging materials.[2][1] Regulations cap its levels, such as 0.02 percent of a food’s fat or oil content under GRAS status, or 0.1 percent in chewing gum base.[3]

Though its application in packaged goods has decreased over time, BHA persists in many items, particularly those aimed at children.

Origins of the Current Scrutiny

The agency identified BHA as a top priority within a strengthened review program that started in May 2025.[1] This effort followed recommendations from the Make America Healthy Again Commission’s strategy report, which called for systematic post-market evaluations of food chemicals.[3]

Health advocates raised alarms for decades, citing the National Toxicology Program’s classification of BHA as “reasonably anticipated to be a human carcinogen” based on animal studies.[1] FDA Commissioner Marty Makary noted, “We are taking decisive action to ensure that chemicals in our food supply are not causing harm.”[2] Health and Human Services Secretary Robert F. Kennedy, Jr., added that the review signals the end of unquestioned reliance on past approvals.

The process responds to new scientific insights and public comments from earlier dockets, aiming to verify if BHA remains safe under today’s standards for both direct food use and food contact substances.[4]

Key Data Points Requested by Regulators

The FDA issued a formal Request for Information through Docket No. FDA-2026-N-0302, open until April 13, 2026.[3] Industry groups and the public can submit details electronically via Regulations.gov or in writing to the agency’s Dockets Management Staff in Rockville, Maryland.

• Typical and maximum use levels across food categories like baked goods or snacks.
• Dietary exposure estimates, especially for vulnerable groups such as children.
• Safety studies, including unpublished toxicology data on BHA or its metabolites.
• Alternatives, market trends showing discontinued uses, and biomonitoring results.
• Migration levels from packaging and data on related substances like BHT.

Submissions can include confidential information if properly marked, helping refine exposure models currently based on conservative assumptions.[5]

Broader Context and Next Steps

BHA joins a list of dozens of substances under FDA examination, including BHT and azodicarbonamide, with plans for similar reviews ahead.[4] The program addresses gaps in prior authorizations, potentially leading to revocations, phase-outs, or alerts if risks emerge.

Officials emphasized that authorized levels previously deemed safe will now face updated scrutiny. Kyle Diamantas, FDA Deputy Commissioner for Human Foods, affirmed the agency’s commitment to evidence-based protections.[1]

This development underscores evolving standards in food safety. Consumers and stakeholders now have a window to shape the outcome. What role do you think preservatives like BHA play in your diet? Share your thoughts in the comments.