BHT (Butylated Hydroxytoluene)

Medium Concern

Preservative / Antioxidant

Also known as

bhtbutylated hydroxytoluenee321

The concern

EWG rates BHT with high concern for cancer. Animal studies show tumour promotion. NIH National Toxicology Program lists it as a possible carcinogen; causes liver and thyroid effects in animals.

Read the source: EWG / NIH NTP

What to look for on labels

This ingredient may appear under any of the following names or codes on product labels:

BHT (Butylated Hydroxytoluene)
bht
butylated hydroxytoluene
e321

Learn more

Read the full evidence directly from the authoritative source.

View source — EWG / NIH NTP

Data sourced from IARC, FDA, EFSA, WHO and EWG public data. For informational purposes only. This does not constitute medical or legal advice.

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