BHT (butylated hydroxytoluene)

Also known as: butylated hydroxytoluene, E321

Moderate concernunder our published method

By NordicScan Evidence Engine · generated from structured evidence records · source spans verified by automated gates · Reviewed 2026-07-08 · Evidence snapshot geo-wave1-evidence-snapshot-2026-07-08 · Scoring engine det_v3 · how we score.

What it is

BHT is an antioxidant preservative used to slow rancidity in fats, oils, cereals, snacks and packaging-adjacent food uses.

Why people ask

People search it because it is chemically similar in name to BHA but has a separate regulatory evidence cell.

What our method flags — by use

Food · US

In US food, our method rates BHT as moderate-concern: it is a permitted preservative under specific conditions, separate from BHA.

The US lists BHT under 21 CFR 172.115 as a food additive subject to prescribed conditions.

Authority / source	Finding (our paraphrase)	Evidence tier	Date	Link
eCFR / US FDA	The US lists BHT under 21 CFR 172.115 as a food additive subject to prescribed conditions.	authority_regulatory	2026-07-06	source
eCFR / US FDA	BHT is listed by FDA under 21 CFR 172.115 as a food additive subject to prescribed conditions.	authority_regulatory / --	2026-07-06	source

Evidence coverage for this use: Fair (computed from source count × authority tier × recency; signals depth, does not change the concern band).

How this moves a product’s score

On a product score, BHT contributes a moderate concern signal from its additive status and its proximity to preservative governance; it is not merged with BHA.

Nordic Scan provides ingredient information and a concern score under our published method, for general consumer research. It is not medical advice and not a medical device, and does not diagnose, treat, cure, or prevent any disease, or determine the safety of any product. Decide for yourself.

Common questions

Is BHT the same page as BHA?: No. This record is separate so the score and source cells can remain ingredient-specific.

This is what BHT (butylated hydroxytoluene) is. What’s in the products you buy? Scan a label and see the concern signals our method flags. Get the app.

Reviewed 2026-07-08 · Evidence snapshot geo-wave1-evidence-snapshot-2026-07-08 · Scoring engine det_v3 · Sources checked 2026-07-08 · See how we score.