Industrial seed oils

Is mayonnaise clean?

No. Our rubric flags mayonnaise under industrial seed oils (evidence: preference). Most mayonnaise is made with soybean or canola oil; avocado or olive oil versions are not flagged.

Industrial seed oils Preference

Penalty 10 of 100 · Balanced and Strict profiles

Most mayonnaise is made with soybean or canola oil; avocado or olive oil versions are not flagged.

Source: Marklund M et al., Biomarkers of dietary omega-6 fatty acids and incident cardiovascular disease and mortality, Circulation (2019)

Also on labels as

mayo, aioli

Low-FODMAP status

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

Related ingredients

Seed oil
Canola oil
Soybean oil
Sunflower oil
Safflower oil
Corn oil
Cottonseed oil
Rice bran oil

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.