Reshma Shah MD | Pediatrician & Parent Coach

Confused about soy? You’re not alone.
From “man boobs” to breast cancer and thyroid concerns, soy has sparked a lot of fear. But the science tells a different story.

Decades of research—and traditional dietary patterns—support that:

✅ Soy can be safe for all ages, including kids and people with hormone-sensitive conditions
✅ Eating 2–4 servings a day may support heart health and overall well-being
✅ Soy protein powders and bars can be part of a healthy diet—but they’re typically lower in isoflavones than whole soy foods like tofu, tempeh, or edamame

For an excellent summary of the science, check out @simonhill podcast, The Proof Episode #258 with Dr. Mark Messina: Are Soy Foods Safe? One of the clearest, most evidence-based conversations on this topic.

Additional resources:
Messina M. Soy and Health Update. Nutrients. 2016.
VeganHealth.org/soy

💬 Still have questions about soy? Drop them below—I’d love to hear what you’ve been told or are curious about.