Who is Jill Castle?


I am a registered dietitian/nutritionist specializing in pediatric nutrition, and the mother of four teenagers. My career spans over 25 years and includes time as a clinical dietitian at Massachusetts General Hospital and Children’s Hospital-Boston; running a pediatric nutrition private practice in Nashville, TN; and currently working independently as a blogger, freelance writer, speaker and consultant.

As an expert in childhood nutrition, I frequently speak about feeding kids, proper nutrition, sports nutrition for young athletes, and all sorts of kid-oriented, nutrition-related topics.

My first book, Fearless Feeding: How to Raise Healthy Eaters from High Chair to High School was co-authored with Maryann Jacobsen of the blog Raise Healthy Eaters and published in 2013. Fearless Feeding is a soup-to-nuts nutrition resource for infants, toddler, kids and teens detailing what to feed them, how to do it, and why they behave the way they do around food. You can find this helpful resource here.

All four of my children have participated in sports throughout their entire lives, which naturally led me to combine my expertise in childhood nutrition with sports nutrition for young athletes. I wrote Eat Like a Champion because I knew there wasn’t a resource available to parents, coaches and even health professionals that solely focused on the nutritional needs of the growing athlete. And, boy, do young athletes need guidance in this area! Thankfully, there is emerging research and good information about the young athlete, which I have carefully outlined in the book.

As part of my work, I write for USA Swimming and US Rowing, targeting the young swimmer and rower with nutrition advice, as well as Sporting Kid, the magazine from the National Alliance for Youth Sports. I am active in the Youth Sports Safety Alliance and wrote The Child Athlete for the online Sports Nutrition Care Manual of the Academy of Nutrition and Dietetics.

I reside in CT with my family and two dogs. I enjoy running, biking, golfing, yoga and walking… and watching my little athletes (who aren’t so little anymore) play and compete.

For more of Jill’s work, check the following outlets: