Gutlog

Preservatives

Is tbhq clean?

No. Our rubric flags tbhq under preservatives (evidence: mixed). A synthetic antioxidant capped at 0.02% of fat; animal studies raised immune and other effects at high doses.

Preservatives Mixed
Penalty 20 of 100 · Balanced and Strict profiles

A synthetic antioxidant capped at 0.02% of fat; animal studies raised immune and other effects at high doses.

Source: 21 CFR 172.185: TBHQ limited to 0.02% of a food's fat or oil

Also on labels as

tert-butylhydroquinone, e319

Low-FODMAP status

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

Related ingredients

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.