Does Poop Smell Better on a Plant-Based Diet? Diet plays a significant role in the way poop smells, and switching to a plant-based diet can lead to noticeable improvements. Since plant-based foods are rich in fiber, antioxidants, and natural enzymes, they promote better digestion and a healthier gut microbiome, which can reduce unpleasant stool odors. Why Plant-Based Diets Improve Poop Odor Animal-based foods, especially red meat and dairy, contain sulfur compounds and proteins that produce strong-smelling gases like hydrogen sulfide and ammonia during digestion. In contrast, plant-based foods, such as fruits, vegetables, whole grains, and legumes, encourage the growth of beneficial gut bacteria and lead to more efficient digestion. This can result in a milder, less offensive stool odor. Factors That Influence Poop Smell While a plant-based diet generally improves stool odor, certain plant foods like garlic, onions, and cruciferous vegetables (broccoli, cabbage) can contribute to a stronger smell due to their natural sulfur content. However, these effects are usually temporary and can be balanced by consuming a variety of fiber-rich and fermented foods to support optimal gut health. Overall, a well-balanced plant-based diet not only enhances digestion but also results in a more neutral-smelling poop, making bathroom experiences more pleasant.