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FAQs about Children’s Nutrition

When you turn to your pediatrician for nutritional advice or help, they will always take a personalized approach to help your child meet their nutritional goals, whether that’s losing weight, getting more regular activity, or eating a healthier diet. You may have questions about your child’s nutritional needs, particularly as they grow. We’ve compiled some of the most frequently asked questions regarding childhood nutrition.

Is fruit juice healthy?

Many people seem to think that juice is healthy, and while it does contain vitamin C, there are certainly better sources for ensuring your child gets enough of this important nutrient. Today, most fruit juices found at the grocery store are chock full of sugar and can contribute to weight gain and increase the risk for cavities. A better alternative is whole fruits since they provide more nutritional value than juice will.

How many calories should my child consume a day?

How many calories your child consumes will depend on their gender, age, and activity level. A recommended calorie range for kids between 6-12 years old is between 1600-2200 per day. Verywell Family provides a more detailed breakdown by age and gender.

I’m worried that might child might not be getting the nutrients they need. What should I do?

First, it’s important to keep in mind that kids don’t need to eat as much as we do, so their portions will be considerably smaller than ours. If your child is growing then chances are good that they are getting the nutrients they need; however, if you find that your child is refusing meals or isn’t eating it’s important to bring this up with your pediatrician as soon as possible.

How can I prevent my child from becoming overweight or obese?

To help your child maintain a healthy weight they must be eating a healthy, balanced diet with fruits, vegetables, whole grains, and lean sources of protein. Make sure that they are also getting at least one hour of physical activity every day. Limit sugar and processed foods.

Is snacking okay for my child?

Young children may seem voraciously hungry and may beg for snacks. How many are actually okay? It’s normal for little ones to want food every 3-4 hours. While snacking can be a great way to prevent kids from overeating during mealtimes you don’t want to ply them with treats (and you want to be sure you’re providing them with nutrient-rich snacks rather than sugary ones).

A snack mid-day between lunch and dinner is typically the best time. If it’s only going to be a couple of hours before a meal, then something small like a piece of fruit or a slice of cheese with crackers is good. If your child isn’t going to eat for more than four hours then you’ll want a snack that incorporates protein, fat, and carbs to satiate their appetite.

If you are concerned about your child’s health because they are “picky eaters” or are struggling with their weight, you must speak with their pediatrician to find out options that can help them lead a healthier lifestyle.

Cathy Alvarez, MSN, CPNP-PC

Family Practice

Cathy Alvarez, MSN, CPNP-PC, is a board-certified Pediatric Nurse Practitioner with over two decades of experience dedicated to nurturing the health and well-being of children from birth through adolescence. Known for her warm, individualized approach to care, Cathy is passionate about building lasting relationships with her patients and their families—many of whom she’s supported through every milestone of childhood.

Cathy began her nursing career after earning her Bachelor of Science in Nursing from the University of Illinois at Chicago in 1999. She gained valuable experience working on the inpatient pediatric unit at Advocate Lutheran Children’s Hospital in Aurora. Driven to deepen her impact, she returned to UIC to complete the Pediatric Nurse Practitioner program, earning her Master of Science in Nursing in 2005. She is certified by the Pediatric Nursing Certification Board (PNCB) and has since devoted her career to providing expert care to diverse pediatric populations.

She is an active member of the National Association of Pediatric Nurse Practitioners and the American Cleft Palate-Craniofacial Association, always staying at the forefront of pediatric healthcare.
Fluent in English and Polish, with conversational Spanish skills, Cathy connects seamlessly with families from many cultural backgrounds.

Outside of work, you can find her cheering on her son at soccer games, exploring new destinations, and enjoying quality time with her family. Her caring spirit and clinical excellence make her a trusted partner in every child’s healthcare journey.” 

Marixa Alvarez, ARN, MSN, FNP-BC

Family Practice

Marixa Alvarez, ARN, MSN, FNP-BC, is a dedicated and compassionate Family Nurse Practitioner, board certified by the American Nurses Credentialing Center. She earned her Master of Science in Nursing from Lewis University, where she cultivated her passion for holistic, patient-centered care.

Fluent in both English and Spanish, Marixa connects deeply with diverse communities, ensuring every patient feels heard and supported. Outside of the clinic, you’ll likely find her in the kitchen—cooking, baking, and bringing people together over a homemade meal. A fun fact? Marixa has a knack for solving puzzles and putting things together—whether it’s a 1,000-piece jigsaw or helping patients piece together their path to better health.

Carlos Sian, PA

Physician Assistant

Carlos is a board-certified Physician Assistant who joined the IWS Family Health team in January 2024. He was born and raised in Antigua, Guatemala and is fluent in both English and Spanish.

His academic journey began at Saint Michael’s College, where he earned a Bachelor of Science in Biology alongside minors in Chemistry and Religious Studies. Driven by a commitment to service, he devoted a year to volunteering as a medical assistant at a health clinic in Albuquerque, NM, through the Jesuit Volunteer Corps. This experience solidified his interest in medicine, inspiring him to delve deeper into healthcare and ultimately leading Carlos to pursue a Master of Public Health in Community Health Sciences and Infectious Diseases from Boston University School of Public Health.

Following his MPH, Carlos dedicated several years to the public health sector, primarily serving as a linkage to care coordinator,  clinical research coordinator, and COVID-19 contact tracer. Moved by a need to help his community during the 2020 pandemic, he secured admission to and completed the Northwestern University Feinberg School of Medicine PA program, earning his Master of Medical Science degree.

Carlos aims to integrate his public health training with his medical practice to bring culturally competent and inclusive medical services to all his patients, but specially the Hispanic/Latino and LGTBQ+ communities he serves. In his downtime, Carlos enjoys cooking, collecting plants, fostering dogs, playing video games, watching reality TV shows, and adding more stamps to his passport!

Dr. Tara Ioffe

Family Practice

Dr. Tara Ioffe is a dedicated and compassionate Board-Certified Family Medicine physician with a strong commitment to providing excellent care to her patients. She obtained her medical degree from Avalon University in Curacao and went on to complete her Family Medicine Residency at the University of Oklahoma. She has worked at the University of Chicago and most recently NorthShore University. She has since returned to Chicago and is thrilled to join the IWS Family Health team in 2023, where she will continue to provide excellent care to her patients.

Throughout her career, Dr. Ioffe has gained experience in diverse medical fields, such as immediate and urgent care medicine while working at NorthShore Immediate Care. She did clinical research at the University of Chicago. Dr. Ioffe strives to foster a secure and inclusive environment for all her patients. She believes in an integrated approach to medicine, dedicating her time to understand each patient’s unique needs.

During her leisure time, Dr. Ioffe indulges in reading a variety of books for pleasure, plays boardgames, and loves to explore Chicago with her spouse and young child.