Soy milk has gained a lot of attention—not just as a plant-based alternative to dairy, but also for its possible link to breast growth. Since it’s rich in soy isoflavones, which are similar to the female hormone estrogen, many people wonder if drinking soy milk can influence breast development or boost breast size over time. The truth is, while some believe soy milk may support fuller breasts thanks to its hormone-like compounds, there’s no solid scientific proof that it leads to noticeable breast enlargement. That said, soy milk is still a nutritious option. It’s high in soy protein, supports bone health, and fits easily into many diets, especially for those who are lactose intolerant or follow a soy-based lifestyle. Rather than promise bigger breasts, soy milk offers real, everyday health benefits—and it might be part of why some people notice small changes. Coming up, we’ll walk through five simple ways to include soy milk in your daily routine. Keep reading to see how to make it part of your day in a way that feels natural and enjoyable.