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Can My Kid Take Prebiotics Alongside Probiotics or Other Supplements?

Medically Reviewed by May Zhu, RDN | Published June 11, 2025

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Understanding the Supplement Stack for Gut Health

Parents often ask whether it’s safe or even beneficial for their kid to take prebiotics along with probiotics or other supplements like magnesium, multivitamins, or fiber powders. 

The short answer? Yes, in most cases, it’s not only safe but alsosmart, as long as the supplements are age-appropriate and introduced thoughtfully.

Prebiotics and probiotics play complementary roles in your kiddo’s digestive system. Prebiotics are special plant fibers thatfeed the good bacteria in the gut. Probiotics arelive beneficial bacteria. When used together, they form a powerful duo called a synbiotic, a combo that’s been shown to enhance gut microbial balance, support immune health, and improve stooling patterns [1].

Can Prebiotics and Probiotics Be Taken Together?

Yes and in fact, they work better that way. Giving your little one both a prebiotic and a probiotic can help ensure that the beneficial bacteria you’re introducing (via probiotics) have the nutrients they need to grow and thrive (from prebiotics). Without prebiotics, some probiotics may not colonize as effectively or stick around in the gut for long.

In products likeGrowing Up Prebiotics, you’ll find prebiotics such as 2’-FL Human Milk Oligosaccharide (HMO) and chicory root inulin. While not technically a probiotic, this blend is an excellent complement to daily probiotic supplements or naturally fermented foods like yogurt or kefir. Together, they can help support regular poops, reduce bloating, and improve overall digestive comfort.

What About Other Supplements?

Let’s break it down by type:

Multivitamins
A daily multivitamin helps fill in nutritional gaps and pairs well with prebiotics. Some prebiotics may even improve the absorption of certain minerals like calcium and magnesium [2].

Magnesium
Yes, magnesium (especially magnesium citrate or magnesium glycinate) can support gut motility and ease constipation. In fact, many kids with slow stooling may benefit from both magnesium and a daily prebiotic, working together to support smoother digestion.

Fiber Powders or Gummies
Fiber can be beneficial if your little one has a harder time eating fiber-rich foods. If your kiddo is already getting fiber from food or other supplements, adding multiple fiber-based products could cause gas or bloating, so always start slow and introduce small amounts at first. If you’re usingGrowing Up Prebiotics, you likely don’t need an additional fiber supplement unless advised by a healthcare provider.

Tips for Using Prebiotics with Other Supplements

  1. Start Low and Go Slow
    If your kid is new to fiber or gut supplements, introduce one product at a time and build up gradually to minimize bloating or tummy discomfort.

  2. Mix Smart
    Choose prebiotic supplements that are tasteless and easy to mix into foods—likeGrowing Up Prebiotics, which blends into milk, smoothies, applesauce, or oatmeal without changing the taste or texture.

  3. Hydration is Key
    Fiber (including prebiotics) needs water to do its job. Encourage your kiddo to sip water throughout the day to help keep things moving.

  4. Talk to Your Pediatrician
    Always check in with your healthcare provider before starting any new supplement routine, especially if your kid has allergies, is on medication, or has digestive issues.

Summary

Yes, your kid can safely take prebiotics alongside probiotics, multivitamins, magnesium, and more. In fact, pairing prebiotics with other gut and wellness supplements can be a powerful way to support regular poops, better digestion, and overall gut health. With a gentle, kid-friendly option likeGrowing Up Prebiotics, it’s easy to build a daily routine that workswith your little one’s growing body.

View Citation

[1]Roberfroid, M., Gibson, G. R., Hoyles, L., et al. (2010). Prebiotic effects: metabolic and health benefits. British Journal of Nutrition, 104(S2), S1–S63. https://doi.org/10.1017/S0007114510003363

[2]Scholz-Ahrens, K. E., Ade, P., Marten, B., et al. (2007). Prebiotics, probiotics, and synbiotics affect mineral absorption, bone mineral content, and bone structure. Journal of Nutrition, 137(3 Suppl 2), 838S–846S. https://doi.org/10.1093/jn/137.3.838S

[3]Vandenplas, Y., Zakharova, I., & Dmitrieva, Y. (2015). Oligosaccharides in infant formula: more evidence to validate the role of prebiotics. British Journal of Nutrition, 113(9), 1339–1344. https://doi.org/10.1017/S0007114515000823