Immune Boosting Tips for Kids Going Back to School

With the back-to-school season around the corner, it’s time to prepare our kids not just with new backpacks and supplies, but also with strong immune systems. School environments can be breeding grounds for germs, so boosting our children’s immune health is essential to help them stay happy and healthy throughout the school year.

1. Nutrition

A nutrient dense diet is foundational for maintaining a robust immune system. Limiting added sugars and processed food can make sure the immune system is ready when it encounters germs.  Focus on providing your kids with a variety of fruits and vegetables, proteins, whole grains, and healthy fats. Foods rich in vitamins A, C, and E, as well as zinc and omega-3 fatty acids, can give their immune system a boost.

TIP: Incorporate food like strawberries and bell peppers (Vitamin C), carrots and dark leafy greens (Vitamin A), beans and pumpkin seeds (Zinc), and salmon and walnuts (omega-3s) into your child’s regular diet.

2. Probiotics

A significant portion of the immune system is actually located in the gut, so maintaining a healthy gut flora is critical for immune support. Probiotics can help with this by promoting the growth of beneficial bacteria and limiting the growth of troublesome bacteria. For more on the gut-immune connection and how to support it from the root, our post on the root cause of eczema walks through leaky gut and systemic inflammation in depth.

TIP: Include foods like yogurt, kefir, sauerkraut, fermented pickles, and other fermented foods in your child’s diet. Probiotic supplements can also be beneficial.

3. Regular Movement

Our lymphatic system is one of the major ways the white blood cells of the immune system travel around the body. Lymph relies on muscle movement to promote circulation so regular physical activity can enhance immune function by getting white blood cells where they need to be.

TIP: Encourage your kids to stay active with activities they enjoy, whether it’s riding bikes, playing sports, or even just running around in the backyard. Aim for at least 60 minutes of physical activity each day.

4. Adequate Sleep

Sleep is when the body repairs itself, and it’s vital for immune health. Children need more sleep than adults, with recommendations of 9-12 hours per night, depending on their age. Teenagers may need even more!

TIP: Establish a consistent bedtime routine and create a calming environment to help them get the rest they need. You can also consider sleep-supporting supplements like magnesium.

5. Hydration

Staying hydrated promotes good circulation of immune cells, optimizes waste elimination, and helps support a healthy immune response. Beverages are also the biggest source of immune-busting added sugars, so being mindful about what beverages your child consumes can have a big immune impact.

TIP: Make sure your kids drink plenty of water throughout the day. Limit sugary drinks and opt for water, herbal teas, or diluted fruit juices instead.

6. Stress Management

Stress can weaken the immune system by reducing the number of immune cells available for a response to infection. This decreases the body’s ability to mount an effective immune response and makes kids more susceptible to illness.

TIP: Teach your children stress-relief techniques such as deep breathing exercises, mindfulness, and yoga. Encourage open communication about their feelings and provide a supportive environment at home.

7. Herbal Remedies: Natural Immune Boosters

Research shows certain herbs can support the immune system and improve the immune response to illness. Elderberry syrup is popular for its antiviral properties, while echinacea can help prevent and shorten the duration of colds. For a deeper look at which herbs to use and when, our podcast episode Back to School Immune Support with Dr. Joel Gator Warsh is one of the most practical conversations we’ve had on the topic.

TIP: Elderberry popsicles can be a great way to wind down the summer and boost the immune system at the same time. Consult with your healthcare provider before starting any new herbal remedies to ensure they are safe for your child.

8. Healthy Habits

Good hygiene practices are fundamental in preventing the spread of germs. Teach your kids to wash their hands regularly, especially before eating and after using the bathroom.

TIP: Carrying a natural hand sanitizer like Active Skin Repair can be a good backup when soap and water aren’t available.

If illness does make it through the door, your next priority is keeping it from spreading to the whole household. Our post on how to keep the whole family healthy when one child gets sick covers exactly what to do in those first 24 hours.

Get access to our all of my complete protocols inside the Doctor Mom Membership, including trusted supplement recommendations, daily routines, and deeper education on what really strengthens (and weakens!) your child’s immune system.

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Be a Role Model

Sometimes as parents it can be hard to remember to take care of ourselves when we are in the midst of caring for our children. Know that kids are more likely to adopt immune promoting habits if they see you practicing them too. It’s a win/win for everyone because by incorporating these immune-boosting tips into your back-to-school routine, you can help your children AND yourself build strong immune systems. You’ll all be ready to tackle the school year!

For a free added resource, download the Doctor Mom’s Immune Checklist now to learn our favorite immune-supporting supplements for babies, kids, and mamas! 

Frequently Asked Questions About Immune Boosting for Kids

When should I start boosting my child’s immune system before school starts?

Start 4 to 6 weeks before school begins if you can. That gives enough time to build up consistent nutrition habits, get a probiotic routine going, and stock your medicine cabinet before you need it. If school has already started, it’s not too late. Every change you make today is supporting immune function right now.

What foods are best for boosting kids’ immune systems?

The most impactful foods are the ones that reduce inflammation and provide the vitamins and minerals immune cells need to function. Strawberries and bell peppers for Vitamin C, carrots and dark leafy greens for Vitamin A, beans and pumpkin seeds for zinc, and salmon or walnuts for omega-3s are all practical, kid-friendly options. Fermented foods like yogurt and kefir add probiotic support that directly strengthens gut immunity.

Is elderberry safe for kids?

Yes, elderberry is generally safe for children when used appropriately. Products containing honey should not be given to babies under 12 months, but elderberry syrup and supplements without honey are safe for most children over 1 year. Elderberry is one of the most well-researched natural antivirals and has a strong safety profile for pediatric use. Always check with your healthcare provider if your child has a specific health condition or takes other medications.

How much sleep do kids actually need for immune health?

Most children between ages 3 and 5 need 10 to 13 hours per night, including naps. Children 6 to 12 years old need 9 to 12 hours. Teenagers need 8 to 10 hours, though many get far less. Sleep is when the body produces cytokines, the proteins that fight infection and inflammation. A child who is chronically undertired is also chronically under-immunized against everyday illness.

Do probiotics really help prevent illness in kids?

The research supports them. Probiotics, especially strains like Lactobacillus and Bifidobacterium, have been shown to reduce the frequency and duration of respiratory infections in children. Because a large part of the immune system is housed in the gut, keeping the gut microbiome balanced means immune responses are better regulated overall. Consistent use before and during sick season gives you the best results rather than starting only when illness hits.

What if my child gets sick despite doing all of this?

Getting sick is a normal part of childhood, and it doesn’t mean you’ve failed or that the prep didn’t work. What immune support does is reduce how often kids get sick, how severe those illnesses are, and how quickly they recover. When illness does hit, having natural remedies and step-by-step protocols ready means you’re responding within minutes instead of spiraling in a Google search at 2am. The Doctor Mom Membership is built exactly for that moment.

How can I help my child manage back-to-school stress so it doesn’t affect their immune system?

Start by normalizing the conversation around their feelings. Transition anxiety is real, especially for younger kids, and pretending it away doesn’t make it smaller. Simple techniques like 5-count belly breathing, a consistent morning routine, and plenty of unstructured play time after school give the nervous system space to reset each day. Sleep is also one of the most powerful stress regulators available, so protecting those hours is doing double duty for both stress and immunity.

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