Preservative
BHT (Butylated Hydroxytoluene)
controversial
Synthetic antioxidant preservative flagged as a red-flag ingredient; present in Ferretone.
Why it's debated: Described as a known carcinogen; a red-flag synthetic preservative. Present in the Ferretone supplement, which the guide criticizes.
Foods listing this ingredient
No catalogued foods list this ingredient yet.
Sources: https://springnaturals.com/blogs/dog-cat-nutrition-blog/bht-and-bha-what-is-the-controversy-around-these-preservatives , https://www.amazon.com/FerreTone-Skin-Supplement-Ferrets-Ounces/dp/B004UMKJDC