Back to School, Stronger Immunity: Supporting Our Kids Naturally
- Tammy Catania

- Sep 3, 2025
- 3 min read

As our kids settle back into school routines, many of us feel that familiar shift. Cooler mornings, packed lunches, and of course the return of sniffles making their way through classrooms.
With cold and flu season around the corner, now is the perfect time to give our children’s immune systems a little extra love and support.
In our home, I always come back to the basics first because a strong immune system truly starts with a healthy foundation.
Nourishing from the Inside Out
A balanced, whole food diet is one of the greatest tools we have to strengthen our kids’ immunity. Fresh fruits and vegetables are packed with vitamins, minerals, and antioxidants that fuel their little bodies. Protein helps repair and build, while healthy fats nourish the brain and support overall health. I like to think of every meal and snack as an opportunity to give their bodies what they need to thrive, even if it is not perfect every time.
Here are some immune boosting foods that kids tend to enjoy:
Berries like blueberries, strawberries, and raspberries, packed with antioxidants
Oranges and clementines, fun to peel and full of vitamin C
Yogurt with probiotics, which support gut health and in turn the immune system
Carrot sticks or sweet potato fries, rich in beta carotene for immune support
Pumpkin seeds or sunflower seeds, a crunchy source of zinc
Chicken soup, a classic comfort food that also nourishes when little bodies need warmth
Smoothies blended with spinach, banana, and berries for an easy nutrient boost
Real life with kids means there are birthday parties, picky phases, and busy evenings and that is okay. The goal is not perfection, it is balance.
My Go To Supplements for Kids
Alongside good food, I like to add in a few trusted supports during the school year.
Two staples I always keep on hand are:

🌿 Sisu Chewable Vitamin D for Kids Vitamin D is essential for a strong immune system and many kids (and adults) do not get enough, especially once the days get shorter. I love that Sisu makes a chewable version that kids actually enjoy taking. As a Canadian company, they understand our climate and the importance of supplementing through the darker months.

🌿 St. Francis Deep Immune for Kids This herbal blend is another Canadian favourite in our home. Deep Immune helps to gently strengthen the immune system, making kids more resilient through the season. I love that it is rooted in traditional herbal medicine and crafted with care, simple, effective, and natural.
These two have been staples in my kids’ wellness toolkit and I trust them because I know the quality behind these Canadian brands.
The Power of Fresh Air and Movement
One of the most overlooked immune boosters is getting outside. Fresh air, daily movement, and natural light do wonders for kids’ health. Exercise improves circulation and helps immune cells move freely through the body, while time outdoors regulates mood and sleep.
Too much indoor time, especially in recirculated air, can weaken immunity. That is why I encourage my kids to play outside every single day, even if it is just for a short walk or backyard adventure. Nature really is medicine.
Rooted in Balance
When we bring together nourishing food, trusted supplements, and daily time in nature, we give our children the best chance to stay strong and vibrant through the school year. Supporting the immune system is not about quick fixes. It is about building consistent habits that root our kids in health, resilience, and balance.
If you enjoyed this post, be sure to subscribe to my blog. I will be sharing a new post shortly on how to ease sickness when our kids do get those sniffles.
Here is to a season of thriving, not just surviving. 💚




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