BrainyBelly begins daily probiotic and prebiotic support from the first stick. Some parents notice their child's digestion starting to feel a little more settled, especially around meals and morning routines.
NEW
NEW

Brainy Belly
For picky eaters and sensory-sensitive kids who've passed on every supplement their parents have tried, BrainyBelly holds up. An unflavored probiotic and prebiotic stick for kids 4 and up. It supports digestive balance and a healthy gut environment. SunPS® phosphatidylserine is the only brain-cell nutrient in any kids' probiotic backed by published pediatric study data.
🌱 Plant-Powered Formula
🧴 Daily Powder Stick
👶 Kids 4 & Up
🍬 Sugar Free
🎨 Dye Free
✅ cGMP Certified
🌿 Vegan Friendly
🍃 Gluten Free
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Numbers That Speak For Themselves
Turns out tiny changes can do big things. Here's what people see after adding us to their routine!
93%
93%
SAID THEIR CHILD TOOK IT WITHOUT A FUSS*
"We have been through every probiotic on the market. Gummies he spits out, capsules that are a whole negotiation, flavored powders he can taste from across the kitchen. BrainyBelly just disappears into his smoothie. He has no idea it's in there and we've been consistent for the first time in two years." - Amy K., Verified Buyer
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Got Questions? We’ve got answers!
BrainyBelly is formulated for kids ages 4 and up. Children ages 4 to 11 take one stick daily, and children ages 12 and up may take one to two sticks daily.








