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GrowHappy Allergen ImmunoButter Variety Box with a toy giraffe on a light background
1 Month Supply - Allergen ImmunoButter Training $123.75
Created by pediatric allergists to teach your child's immune system to accept allergens and foster a healthy gut microbiome. Each snack contains 1 top allergen, including whole nut and seed butters, mixed with real fruits and vegetables for gut diversity.  
Studies show your child's immune system needs repetition to learn to tolerize...
Allergen Feeding Guide
Allergen Feeding Guide $0
A copy of our Feeding Allergens Guide
Allergen ImmunoBars - Coming Soon
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Allergen ImmunoBars - Coming Soon $0
Teach your child's immune system to accept allergens and foster a healthy gut microbiome with GrowHappy - snacks packed with top allergens and diverse nutrients, designed by world-leading allergy and gut microbiome experts for regular use.
ABOUT IMMUNONUTRITION:
We call it ImmunoNutrition. Measured doses of allergens and varied ingredients fed...
Allergen ImmunoBars - Mixed Tree Nut Butters, Strawberries & Oats (4ct)
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Allergen ImmunoBars - Mixed Tree Nut Butters, Strawberries & Oats (4ct) $8
Created by pediatric allergists and gut health experts to make continued allergen exposure simple and delicious for 12months+. Each ImmunoBar is made with whole tree nut butters, whole grain oats and real fruits to support gut diversity.
Your child’s immune system continues to learn through consistent, repeated exposure. Our ImmunoBars...
Allergen ImmunoBars - Peanut Butter, Blueberries & Oats (4ct)
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Allergen ImmunoBars - Peanut Butter, Blueberries & Oats (4ct) $8
Created by pediatric allergists and gut health experts to make continued allergen exposure simple and delicious for 12months+. Each ImmunoBar is made with whole nut butters, whole grain oats and real fruits to support gut diversity.
Your child’s immune system continues to learn through consistent, repeated exposure. Our ImmunoBars 4-pack...
Allergen ImmunoBars - Sesame Butter, Bananas & Oats (4ct)
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Allergen ImmunoBars - Sesame Butter, Bananas & Oats (4ct) $8
Created by pediatric allergists and gut health experts to make continued allergen exposure simple and delicious for 12months+. Each ImmunoBar is made with whole seed butters, whole grain oats and real fruits to support gut diversity.
Your child’s immune system continues to learn through consistent, repeated exposure. Our ImmunoBars 4-pack...
Allergen ImmunoBars - Variety Pack
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Allergen ImmunoBars - Variety Pack $32
Created by pediatric allergists and gut health experts to make continued allergen exposure simple and delicious for 12months+. Each ImmunoBar is made with whole nut or seed butters, whole grain oats and real fruits to support gut diversity.
Your child’s immune system continues to learn through consistent, repeated exposure. Our ImmunoBars 4-pack makes...
Three 'Grow Happy' snack bars with their packaging on a pink background
Bundle & Save! $0
ImmunoBar Bundle
First Week Starter Kit - Allergen ImmunoButters
First Week Starter Kit - Allergen ImmunoButters $30
Teach your child's immune system to accept allergens and foster a healthy gut microbiome with GrowHappy. Snacks packed with top allergens and diverse nutrients, including whole nut and seed butters with real fruits and vegetables. This is your easy button to allergen and gut health success for busy parents who...
Free Spoon
Free Spoon $0
Free Spoon for Subscription First Order
Gift 1 Month Supply of the Allergen ImmunoButter Training
Gift 1 Month Supply of the Allergen ImmunoButter Training $123.75
Give the gift of teaching a child's immune system to accept allergens and foster a healthy gut microbiome with GrowHappy. Snacks packed with top allergens and diverse nutrients, including whole nut and seed butters with real fruits and vegetables.  We recommend doing our Allergen ImmunoButter Training for a minimum of...
Single Flavor Boxes - Allergen ImmunoButters
Single Flavor Boxes - Allergen ImmunoButters $37.50
Teach your child's immune system to accept allergens and foster a healthy gut microbiome with GrowHappy - thoughtfully crafted snack by the world's top allergy and gut health experts. Each flavor contains 2 grams of a top allergen protein and is packed with diverse nutrients, including whole nut and seed...
Subscription 2nd Order Spoon
Subscription 2nd Order Spoon $0
Free Spoon for Subscription First Order

Every Kid Is At Risk:
Simple Steps to Allergen Success and a Happy Gut

1
Stick with the Routine

Feed our 5 flavors twice a week. Subscribe for ease!

2
Build Allergy Defense

Train your child’s immune system to embrace allergens and expose to diverse foods.

3
Relax & Thrive

Say goodbye to allergy anxiety and support a thriving gut microbiome

“We can train the immune system while it’s still developing if we are consistent the first few years of life, while fostering a healthy gut microbiome.”

Professor David Fleischer - Pediatric Allergy & Immunology Section Head of Children's Hospital Colorado. Author of American, European and Canadian Prevention Guidelines

Why Allergists Choose GrowHappy 

What You’ll Find in Our Products

Science-backed allergen dosing

Delicious flavors that introduce and nurture a taste for allergens

Nourishing ingredients

Diet diversity

Ingredients We’ll Never Use

Added Sweetener

Added Salt

Anything we wouldn’t feed our own kids

Introducing the Allergen ImmunoButters:

Each flavor contains a top allergen to train the immune system + 16 plant-based foods for diet diversity.

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Cashew

Organic Cashew, 

Mango, Organic Kale

Egg

Organic Egg, Organic Pumpkin Seeds, Organic Pineapple, Organic Date, Organic Papaya

Peanut

Organic Peanut,
Organic Blueberry,
Organic Goji Berry

Sesame

Organic Sesame Seeds, Organic Banana, Cauliflower

Walnut

Walnut, Peach,
Organic Strawberry