The Case Against Soy in Dog Food: Allergies and Estrogen Mimics

Soy is a cheap filler with expensive consequences. From allergies to endocrine disruption, see why soy is a modern red flag.

Cheap filler, expensive consequences.

The Reveal: Soy is a common allergen for dogs and is often used as a cheap protein substitute. More concerningly, soy contains phytoestrogens, which can interfere with a dog's endocrine system. It’s a low-quality "bulk" ingredient used to pad the weight of the bag.

The Standard: A clean, "Modern" diet should be Soy-Free.