In response to increasing obesity, diabetes, and food-related contributions to climate change, many individuals and organizations are mobilizing to advocate for healthier and more just local and national food policies and systems. In this report, we describe and analyze the food movement in New York City, examine tensions within it, and consider its potential role in improving health and nutrition. We conclude by suggesting that public health professionals can amplify the health effects of such movements by creating opportunities for dialog with movement participants, providing resources such as policy-relevant scientific evidence, documenting problems and evaluating policies, and offering technical, political, and organizational development expertise.