Posts by Jill Castle, MS, RDN, Author at Motherly
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Jill Castle, MS, RDN

Jill Castle, MS, RDN is a pediatric dietitian/nutritionist who blends current research, practical application and common sense, helping parents master the task of feeding kids. She is the author of the upcoming book, Size Wise (Workman/Hachette) as well as 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. She is the founder and CEO of The Nourished Child®, a nutrition education website for parents and is the voice behind The Nourished Child podcast. Jill is an expert reviewer for Parents.com and a nutrition advisor for BrainiacTM Kids.

little boy eating brain food
Nutrition

9 types of foods to fuel brain development from a pediatric dietitian

From iron to Omega-3 fatty acids, here's what nutrient-rich foods your child can eat to help support their developing brain.

Updated Jan. 17, 2023
Nutrition, Children's Health
girl eating mood boosting foods
Nutrition

Can food influence your child’s mood? Yes, says a pediatric dietitian

She shares tips on how to work those good-mood foods into your weekly meal plan.

Updated Mar. 28, 2025
Nutrition, Children's Health
little girl eating food in a high chair
Nutrition

The best brain-boosting food for kids—and how to get them to eat it

Nutrition is crucial for brain development, but kids aren't clamoring to eat fish and wheat germ. Here's how to close the brain food gap.

Updated Sep. 15, 2022
Nutrition, Child, Children's Health, Food, Life, Parenting
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