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Media Dietitian

Jill Castle is a leading pediatric dietitian and childhood nutrition expert who blends current research, practical application and common sense, shifting the paradigm about feeding kids. She inspires parents to raise nourished kids, inside and out, using nutritious food, positive feeding approaches, and effective food parenting.

Jill is the creator of The Nourished Child®,  a nutrition website for parents providing digital education and resources, tutorials, and programs designed to educate and empower parents on their journey of raising healthy kids.

She is a six-time author and the host of The Nourished Child® podcast. As a sought-after speaker, nutrition advisor-consultant and media dietitian, Jill has inspired audiences from the TEDx stage, as well as government agencies and professional healthcare associations.

As a media dietitian, she has been featured as a guest expert for CNN, The New York Times, The Washington Post, Forbes, Newsweek and many others. Jill was a contributing writer for U.S. News & World Report, Very Well Health, and Bundoo.

Currently, she serves as an Expert Medical Reviewer for

Jill Castle, media dietitian, on Fox & Friends

More Print and Online Media Outlets

As a media dietitian, Jill is contacted for her unique perspective on childhood nutrition and feeding kids. As America’s Child Nutritionist and a nutrition expert, you can be sure to get a practical perspective on the latest research. No fluff. Just real life advice for parents who want to get the nitty-gritty and make improvements.

Click on the logos to read Jill’s expert guidance and quotes.

Selected Podcast Interviews

As a podcaster herself, Jill brings an ease to podcast interviews, as well as an expert perspective and wise insight to topics in childhood nutrition. Here are a few of her podcast highlights. Just click on the photo to listen to her interviews:

More Live Media Interviews

Even More Online News Outlets

Jill loves to connect with the media! With so much misinformation and disinformation circulating, she believes dispersing accurate, evidence-based, practical advice is essential to helping parents raise healthy kids, inside and out.

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A Thought Leader in Child Nutrition

Jill appeared on the TEDx stage in 2017. She shared her vision for a modern approach to child nutrition in her talk called The Nutrition Prescription for Healthier Kids, and called institutions, corporations, dietitians and pediatricians to play a more relevant and effective role in child health.

She continues to address what she calls the “Modern Approach to Child Nutrition,” one that integrates food, feeding and child development in her speaking engagements and consulting roles.

Jill Castle at Tedx Danbury

Pediatric Nutritionist and Media Dietitian, Jill Castle, in Action

Official Bio

Jill Castle, MS, RDN

Jill Castle is the author of the forthcoming book, Kids Thrive at Every Size (Workman 2024) and one of the nation’s premier childhood nutrition experts. Known for her ability to blend current research, practical application, and common sense, Jill believes that children can thrive at every size. With her paradigm-shifting, whole-child approach, she inspires parents, healthcare professionals, and organizations that serve children and families to think differently about young people’s health and wellbeing.

A sought-after speaker, advisor, and media contributor, Jill has inspired a range of audiences with her up-to-date, practical insights on childhood nutrition. She serves as an expert reviewer for, has been featured as a guest expert in CNN, The Washington Post, The New York Times, Forbes, Newsweek, Time, and many other outlets, and has consulted with schools and organizations including Oatly, Brainiac, Once Upon a Farm, and Melissa & Doug.

Jill is the founder and CEO of The Nourished Child®, a nutrition education website and podcast for parents. She is the author of books including Eat Like a Champion, Try New Food, The Smart Mom’s Guide to Starting Solids, The Smart Mom’s Guide to Healthy Snacking, and co-author of Fearless Feeding. Jill is the mother of four adult-ish children and lives in Massachusetts with her husband.

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