Are “Healthy” Kids Snacks Making Constipation Worse?

Medically Reviewed by May Zhu, RDN | Published July 10, 2025

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Many parents grab snacks labeled as “organic,” “whole grain,” or “made for kids” assuming they’re making a healthy choice. But here’s the truth: a lot of kid-friendly snacks marketed as “healthy” can quietly contribute to constipation. Even snacks with good intentions, like veggie straws, granola bars, or crackers, can fall short when it comes to supporting digestion.

If your kid struggles with constipation, it’s worth taking a closer look at what’s really inside those snacks.

How “Healthy” Snacks Can Cause or Worsen Constipation

1. Low in Fiber, High in Starch

Many snacks are based on refined flour or starch (like white flour, potato starch, or corn). Even when labeled “whole grain,” the fiber content is often too low to support healthy digestion (1).

Examples:

  • Veggie straws (no real veggies, no fiber)

  • Goldfish, pretzels, and most crackers

  • Many granola bars labeled as “whole grain”

2. Lack of Moisture + Fiber Combo

Dry snacks like crackers, cereal, or granola bars need water to help fiber move through the gut. When kids graze on dry snacks without enough water, stool can become firmer and harder to pass (2).

3. Sneaky Added Fibers That Don’t Feed the Gut

Some bars or pouches add fiber like dextrin - but the dose is often too small to make a difference. Plus, these snacks usually lack the hydration and bulk needed for effective digestion (3).

What to Look for Instead

  • Check the fiber content. A snack should have at least 2–3 grams of fiber per serving to be digestion-friendly.

  • Pair dry snacks with water. Teach your kiddo to drink while snacking.

  • Prioritize snacks with real fruit, veggies, legumes, or oats. These provide fiber that actually supports gut motility.

Better Snack Swaps for Constipation Support

Common Snack

Gut-Friendly Swap

Veggie straws

Apple slices + almond or cashew butter

Goldfish/crackers

Whole grain or paleo crackers + hummus

Granola bar

Oat-based bar with chia or flax

Fruit snacks/gummies

Fresh fruit or a fruit + veggie pouch



Boost Digestion with Simple Add-Ons

  • Mix a scoop of Growing Up Prebiotics into water, smoothies, or yogurt to easily boost fiber and feed good gut bacteria.

  • Serve fiber-rich snacks with a hydrating option: water, coconut water, or a digestion-supporting drink like Growing Up Magnesium.

  • Add chia, flax, or a side of fruit to dry snacks for extra fiber.

Summary

Not all “healthy” snacks support healthy digestion. Many are missing the fiber, hydration, and gut-supportive nutrients kids need to stay regular. Check those labels, offer water with snacks, and look for easy ways to add real fiber back into your kiddo’s day.

View Citation

[1] Slavin, J. (2013). Fiber and Prebiotics: Mechanisms and Health Benefits. Nutrients, 5(4), 1417–1435. https://doi.org/10.3390/nu5041417

[2] Tabbers, M. M., et al. (2014). Evaluation and Treatment of Functional Constipation in Infants and Children: Evidence-Based Recommendations. J Pediatr Gastroenterol Nutr, 58(2), 258–274. https://doi.org/10.1097/MPG.0000000000000266

[3] Carlson, J. L., et al. (2018). Health Effects and Sources of Prebiotic Dietary Fiber. Curr Dev Nutr, 2(3):nzy005. https://doi.org/10.1093/cdn/nzy005