Preservatives

Is bht clean?

No. Our rubric flags bht under preservatives (evidence: mixed). A synthetic antioxidant with mixed animal findings on tumors and thyroid effects; regulators allow it with limits.

Preservatives Mixed
Penalty 20 of 100 · Balanced and Strict profiles

A synthetic antioxidant with mixed animal findings on tumors and thyroid effects; regulators allow it with limits.

Source: EFSA Panel on Food Additives, Scientific opinion on the re-evaluation of butylated hydroxytoluene (E 321) as a food additive (2012)

Also on labels as

butylated hydroxytoluene, e321

Low-FODMAP status

Coming soon: whether it is low-FODMAP and at what serving.

From Gutlog's clean ingredient rubric, version 2026.11.0. Ask your assistant "is this clean?" with a photo of the label and Gutlog checks every ingredient. General information, not medical advice.