Ever feel like your child brings home every new bug from the classroom? You’re not alone. By the time kids reach kindergarten, their immune systems have already faced a lot — runny noses, shared sippy cups, and the occasional “what even is that?” rash. It’s easy to think they’ve earned their stripes and are now immune warriors for life. But in truth, the journey is far from over.
The immune system keeps growing, learning, and adapting well into the school years. The period between ages 5 and 10 is especially important for shaping how it responds for the long haul.
How Trained Immunity Creates Smarter Defenses
During this stage, kids’ immune systems are doing some of their most important work. The innate immune system -- the fast-acting, first-line defense -- is on high alert. But now, it’s teaming up with the adaptive immune system, which learns from past exposures to build a smarter, more targeted response.
Here’s where it gets even more interesting: research shows that even the innate immune system can “learn.” Thanks to pioneering work by Dr. Mihai Netea, we now understand a concept called trained immunity. This means those quick-response cells can actually adapt and become more efficient at recognizing and reacting to challenges over time. For school-aged kids constantly encountering new germs, this adaptability is a big deal.
The Critical Window for Immune Development (Ages 5-10)
From group projects and birthday parties to muddy soccer fields, kids between 5 and 10 are exposed to more new environments and bugs than ever before. Whether it's the back-to-school season, the middle of winter, or prep for summer camp, their immune memory is still a work in progress.
This is also when we start to see signs of immune fatigue. With busier schedules, later bedtimes, and more stress, kids might seem to have less energy or take longer to bounce back from daily stressors. That’s why supporting immunity isn’t about a quick fix. It’s about laying the foundation for lasting, resilient health.
Immune Coaching: A Smarter Way to Build Resilience
Just like kids need guidance in reading or sports, their immune systems benefit from smart, structured support. That’s where targeted supplements come in. Think of them as immune training tools.
One standout is ABB C1®, a clinically studied beta-glucan probiotic. Derived from yeast and shown to help “train” innate immune cells, ABB C1® helps the immune system react more efficiently and effectively. The result? Less down time from their favorite activities, more opportunities for learning and play, and an immune system that keeps getting smarter.
Daily Support, Built for Real Life
Translating science into something practical is where a product like byMae multi+ for littles really shines. Made for kids ages 5–10, it’s designed to support what their bodies actually need right now, with three key pillars:
- 18 essential vitamins and minerals for healthy growth
- ABB C1® for trained immunity support
- A weekday-only routine to support natural immune rhythms and nutrient absorption
And for higher-risk times, like travel, birthday season, or back-to-school, you can temporarily switch to a 7-day schedule. It’s like giving their immune system a mini boot camp, just when they need it most.
What It Means for Your Family
Helping your child stay well isn’t about dodging every germ. It’s about helping their immune system grow stronger, wiser, and more prepared. Whether it’s the classroom, the soccer field, or just the Monday morning hustle, they’re ready for it.
TL;DR for Parents Who Like the Science
- Ages 5–10 are a key phase for immune system development.
- Even innate immunity can be “trained” for smarter, more efficient responses.
- ABB C1® helps support immune resilience and reduce down time.
- A weekday-focused routine supports better absorption and long-term wellness.
- byMae multi+ for littles is a first-of-its-kind multivitamin built with trained immunity in mind.
Have questions about trained immunity, ABB C1®, or building your child’s immune routine? We’re always here, whether it’s for the research or the reminders to pack the lunchbox.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
About byMae:
byMae® was started by three moms who were tired of the domino effect—that moment one person gets sick and the whole family goes down. Inspired by the science of "trained immunity," we partnered with leading experts to create a smarter, proactive approach to building lasting family resilience - one that is simple enough to fit effortlessly into any daily routine.
For us, quality and safety are non-negotiable. That’s why our formulas are crafted in a cGMP-certified US facility trusted by some of the world's most renowned health brands. We use only traceable, 3rd-party tested ingredients to provide foundational health support your family can trust.
