How to Start Kids on GAPS (and get through picky eating)

Are you dealing with a picky eater and considering the GAPS (Gut and Psychology/Physiology Syndrome) diet to support their health and well-being? It can be especially challenging to introduce a healing diet to picky eaters (adults included!). Here are some recommended approaches from the yellow book to consider depending on your lifestyle and the needs of your child and family. Each comes with its own advantages.


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Picky Eating Mealtime Management

1. ABA Method: A Reward System Structure

The ABA (Applied Behavior Analysis) method is a structured approach to introducing the GAPS diet to picky eaters. Here's how it works:

  • Set Clear Goals: Identify specific GAPS foods you want to introduce and set achievable goals. Start with small steps, like incorporating meat stock into their diet or slowly introducing fermented foods — whatever you think your child needs the most or may accept more readily first.

  • Find Motivating Rewards: Offer small rewards or incentives for trying new GAPS foods. Make sure the rewards are meaningful to them.

Rewards can be:

  • A bite of a favorite food after 1+ GAPS food bites

  • Watching a few minutes of a video

  • Having a dance party

  • Pieces for a buildable toy like legos, a puzzle, etc.

  • Playing part of a game

  • The options are endless… try things out based on your child’s interests!

  • For nonverbal children or children with severe language problems:

    • Start by using your child’s favorite foods as a reward for eating the new GAPS food

    • Use pictures to show expectations. Show a picture of a spoonful/sip of stock, say “first sip of stock,” then show a picture of the piece of chocolate and say, “then a bite of chocolate,”

    • If you’re child can do without a treat off of GAPS as a reward, that’s great! Try different things out with your kid, and see what sticks!

When introducing new GAPS foods, make sure to only try one new food at a time, and take breaks and time in between bites to maintain a calm, and joyful environment.

Consistency is key especially within the first 10 days. After a week and a half, your child’s tastebuds will begin to reset as their gut rebalances, and they’ll start to crave and enjoy nourishing GAPS foods.

Your child’s system is teaching itself to start to follow cravings based on their body’s nutritional needs over what the pathogenic bacteria used to make them want to eat. They’ll have an empowered & intuitive sense of eating in the long run, which is one of the best gifts you can give them!

2. Gradual Introduction of GAPS Foods into the Usual Diet

For picky eaters who may resist sudden dietary changes, but still have a more naturally varied diet, a gradual approach can be effective. Here's how to implement this method:

  • Start Slowly: Begin by adding small amounts of GAPS foods to their current diet. For example, incorporate homemade meat stock as a base for soups or stews.

  • Gradual Swaps: Over time, replace some of their usual foods with GAPS-approved alternatives. Swap out processed snacks for homemade fermented foods or introduce GAPS-friendly versions of their favorite meals,

  • Monitor Progress: Keep track of how they respond to the gradual changes. Pay attention to any improvements in their digestion, behavior, or overall health.

If you think your child will accept food swaps & additions over time, and already enjoys a variety of foods a gradual GAPS diet might work best for you and your family.

3. Cold-Turkey Method: In Jennifer Scribner’s book, From Mac and Cheese to Veggies Please, she highlights her preference for “you’re-not-eating-unless-it’s-the-new-diet-and-we’ll-wait-it-out,” approach.

This method involves a swift transition to the GAPS diet. While this may seem challenging, it can be highly effective for kids who desperately need a shift and need to jumpstart healing quickly. Here's how it works:

  • Complete Diet Change: Remove all non-GAPS foods from the house and transition to a strict GAPS diet. This means eliminating grains, processed foods, and sugars entirely.

    • Offer the new (savory) GAPS foods at each meal time, if refused, offer them again when they’re hungry later

    • Keep offering unlimited water, herbal tea, watered down carrot juice, homemade lemonade to make sure they stay hydrated

  • Stay Committed: The goal is to get through the first 10 days which will be the hardest during the GAPS shift. Your child may “fast” during this time, which is a normal reaction. Remember that a child won’t starve themselves, and that you’re offering an array of GAPS foods to choose from each time they ask for food (you’re not starving them). A short fasting period can actually be helpful as your child’s gut microbiome begins to reset.

  • Maintain a grounded, calm demeanor throughout the process. It’s important for a safe environment that invites relaxed, enjoyable eating.

  • After around 10 days your child’s system will likely begin to adjust and crave nourishing foods.

    • Monitor their progress closely and address any concerns or discomfort promptly.

    • Don’t forget detox baths, and other detox methods to support their body.

Support and Education: Provide ample support, education, and information to your picky eater as age appropriate about the benefits of the GAPS. Encourage them to understand why this dietary change is essential for their health.

The cold-turkey method can be particularly effective for kids and adults who require immediate and drastic dietary changes to address gut-related issues.


If you’d like support tailored to your child and family, I’d love to work together.

As you navigate the GAPS Diet, keep in mind that it's a path toward setting your child up to rebalance their gut and reset for optimal wellness. It’s okay to have moments of doubt or frustration, but always remember the long-term benefits your child will gain from this dietary approach. Celebrate every small victory and milestone along the way, and lean on the GAPS community for guidance and encouragement. You're not alone in this journey, and your determination to give your child the best possible start in life is truly inspiring. Keep going, and the rewards will be well worth it.

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The Baby GAPS Diet

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GAPS Diet Do’s & Don’ts During Pregnancy