Phytoestrogens are naturally present in foods such as whole grains, dried beans, fruits, broccoli, and more. Because of their nutritional benefits, our dog and cat foods do contain ingredients such as broccoli and flaxseed. Soy is one of the main ingredients of concern known to have high levels of phytoestrogens. As part of our commitment to the wellbeing of cats and dogs, we do not include any soy in our foods. Life's Abundance foods focus on overall nutrition, ingredient synergy, and gut health and you will be happy to know that the premium nutrition of our All Life Stage Dog Food as well as our Adult Weight Loss Dog Food has been proven through a feeding trial as defined by the Association of American Feed Control Officials. Thank you for considering Life's Abundance in providing your pet with their nutrition