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Top Sources of Probiotic Foods for Kids: Natural Foods for Constipation Support and Improved Digestion

Probiotics play a crucial role in supporting healthy gut microbiome [7]. The condition of our kid’s microbiome can impact digestion, gut motility, and constipation [8]. Probiotics use prebiotics, like Begin Health’s Growing Up Prebiotics as fuel to create a flourishing and diverse microbiome. Just like how our kids’ bodies need the right nutrition to stay healthy, prebiotics are the nutrition probiotics need to set the foundation for a healthy gut. Incorporating a variety of probiotic-rich foods into your kiddos’ diet can help promote regular bowel movements [1]. Let’s explore some of the top sources of naturally probiotic-rich foods for kids, how much probiotics they provide, and review how they can help digestive health and provide additional constipation support for our kiddos.

How much probiotics are found in foods?

Probiotics identified by different strains of good bacteria. Some of the most common strains identified in probiotic products are [13]:

  • Lactobacillus
  • Bifidobacterium
  • Saccharomyces
  • Enterococcus
  • Bacillus

Probiotics strains are measured by the Colony Forming Units (CFUs) which indicate the total number of cells that are alive and working. It’s important to note that a higher CFU number does not indicate that a health product has better health effects. Instead, review the quality of the bacteria strain by looking for well-researched strains. The two most researched strains of probiotics in kids include Lactobacillus and Bifidobacterium [11]. The recommended dosage will vary depending on your child’s age and health needs, but most studies show that doses ranging from 10 million to 10 billion CFUs may be beneficial to their health [14].

Yogurt (with live and active cultures)

Yogurt, specifically ones that indicate “live and active cultures” on the label will contain probiotics such as Lactobacillus and Bifidobacterium, which both support gut health in kids [11]. Bifidobacterium breve specifically has shown to be effective for increasing stool frequency in kids with functional constipation [2]. Opt for plain yogurt and add fresh fruits or a drizzle of pure maple syrup for natural sweetness.

For an extra boost, try mixing in our Growing Up Prebiotic into your kiddos favorite yogurt. Our prebiotic blend contains chicory root fiber, which can support softer stools and increase stooling frequency with daily consistent use [5]. Prebiotics feed beneficial gut bacteria in our digestive system to promote good gut health [6].

Kefir

Kefir is a fermented dairy product similar to yogurt but with a thinner consistency. It is rich in probiotics, including Lactobacillus and Bifidobacterium strains, which can improve friendly gut bacteria and provide constipation support for kids [2]. The fermented components in kefir also show additional health promoting characteristics linked to improving the microbiome and immunity [3]. For a nutritious probiotic boost, drink it on its own, mix into oatmeal or use it as a base for smoothies.

Sauerkraut

Sauerkraut is made from fermented cabbage and contains lactobacillus bacteria that aid in digestion and promote regular bowel movements [2]. Introduce small amounts of sauerkraut to your little one’s meals gradually to let their taste buds adjust to the tangy flavor. Incorporating sauerkraut in sandwiches or as a side dish can be an enjoyable way to include probiotics in their diet.

Kombucha

Kombucha is a fermented tea beverage that contains various strains of beneficial bacteria and yeast, such as Saccharomyces cerevisiae. Studies on Saccharomyces cerevisiae indicate that it is effective against different gastrointestinal diseases and contain anti-inflammatory properties [4].

It is important to note that kombucha does contain a small amount of natural alcohol due to the fermentation process, typically around 0.5% or less per serving. The industry standards in the United States require that store-bought kombucha must maintain less than 0.5% alcohol by volume, ABV, to be classified as a non-alcoholic beverage [9]. The percent ABV is comparable to the natural alcohol content found in yeast breads [10]. A standard serving is generally safe for kids ages 4 and above. Start with small amounts and monitor your kid’s reaction to ensure they tolerate it well. Opting for low-sugar options can help avoid excessive added sugar intake. The American Heart Association recommends no more than 25 grams of added sugars (6 tsp) per day for kids two years of age or older.

Kids’ Added Sugar Recommendations

Age

Added Sugars

0-2 years

Not recommended for this age group

2 years and up

Less than 25 grams or 6 tsp per day (AHA recommended) or less than 10% of total daily calories consumed (CDC recommended)

 

Fermented foods

Foods like pickles, tofu, and certain cheeses like feta [12] are all made through the process of fermentation, which uses bacteria or yeast to break down the food to naturally produce probiotics. Offering a variety of fermented foods to your kiddos can help them expand their palate and promote a healthy digestive system. For more information regarding the benefits of fermented foods for gut health, check out our blog post about Fermented Foods for Kids.

Comparing Probiotic Amounts (CFUs) in Foods

Food (serving)

Types of Friendly Bacteria Strains (most commonly found)

Probiotic Amount (in CFUs)

Greek Yogurt, plain (1 cup serving*)

Lactobacillus acidophilus Streptococcus thermophilus Lactobacillus delbrueckii subsp. bulgaricus

2.5 billion CFUs

Kefir, plain (1 cup*)

Lactobacillus brevis Lactobacillus acidophilus Lactobacillus casei Lactococcus lactis Saccharomyces cerevisiae

2.5 billion CFU

Sauerkraut (1 cup)

Leuconostoc mesenteroides Lactobacillus brevis Pediococcus pentosaceus Lactobacillus plantarum

3 billion CFU

Kombucha (1 cup*)

Acetobacter, Bacillus, Starmerella and Komagataeibacter and Gluconobacter

23 million

Fermented foods, such as kimchi (½ cup)

Weissella koreensis Lactobacillus sakei Lactobacillus graminis Weissella cibaria Leuconostoc mesenteroides

11.5 billion CFUs

Sourcess: [15, 16, 17, 18, 19, 20, 21]
*May vary by brand

Summary:As dietitians, we love encouraging variety when it comes to foods. The more diverse the diet, the more variety of good gut bacteria will be introduced into our little one’s bodies to support their gut health. Including different probiotic-rich foods in your kid’s diet can contribute to their digestive health and support constipation symptoms. Yogurt, kefir, kombucha, and fermented foods like sauerkraut are great sources of natural probiotics that offer gut health benefits. Support your kiddo’s probiotic intake by pairing it with prebiotics like Begin Health’s Growing Up Prebiotics, which acts as nourishment for probiotics. By incorporating these foods into their meals and snacks, we as parents can support our little one’s gut microbiome and overall well-being.

Remember to consult with your pediatrician or personal healthcare professional if your kiddo has specific dietary restrictions or concerns regarding the introduction of new foods. Your physician can help guide you along to make sure your little one is meeting their nutrition goals.

References:

[1] Martoni, C., Evans, M., Chow, C. T., Chan, L. S., & Leyer, G. (2019). Impact of a probiotic product on bowel habits and microbial profile in participants with functional constipation: A randomized controlled trial. Journal of Digestive Diseases, 20(9), 435–446. https://doi.org/10.1111/1751-2980.12797

[2] Tabbers, M. M., De Milliano, I., Roseboom, M. G., & Benninga, M. A. (2011). Is Bifidobacterium breveeffective in the treatment of childhood constipation? Results from a pilot study. Nutrition Journal, 10(1). https://doi.org/10.1186/1475-2891-10-19

[3] Bourrie, B. C. T., Willing, B. P., & Cotter, P. D. (2016). The Microbiota and Health Promoting Characteristics of the Fermented Beverage Kefir. Frontiers in Microbiology, 7. https://doi.org/10.3389/fmicb.2016.00647

[4] Abid, R., Waseem, H., Oladoja, N. A., Ghazanfar, S., Ali, G., Elasbali, A. M., & Alharethi, S. H. (2022). Probiotic Yeast Saccharomyces: Back to Nature to Improve Human Health. Journal of Fungi, 8(5), 444. https://doi.org/10.3390/jof8050444

[5] Closa-Monasterolo, R., Ferré, N., Castillejo-DeVillasante, G., Luque, V., Gispert-Llauradó, M., Zaragoza-Jordana, M., Theis, S., & Escribano, J. (2016). The use of inulin-type fructans improves stool consistency in constipated children. A randomised clinical trial: pilot study. International Journal of Food Sciences and Nutrition, 68(5), 587–594. https://doi.org/10.1080/09637486.2016.1263605

[6] You, S., Ma, Y., Yan, B., Pei, W., Wu, Q., Ding, C., & Huang, C. (2022). The promotion mechanism of prebiotics for probiotics: A review. Frontiers in Nutrition, 9. https://doi.org/10.3389/fnut.2022.1000517

[7] Hajela, N., Ramakrishna, B. S., Nair, G. B., Abraham, P., Gopalan, S., & Ganguly, N. K. (2015). Gut microbiome, gut function, and probiotics: Implications for health. Indian Journal of Gastroenterology, 34(2), 93–107. https://doi.org/10.1007/s12664-015-0547-6

[8] Dimidi, E., Christodoulides, S., Scott, S. M., & Whelan, K. (2017). Mechanisms of action of probiotics and the gastrointestinal microbiota on gut motility and constipation. Advances in Nutrition, 8(3), 484–494. https://doi.org/10.3945/an.116.014407

[9] Chan, M., Sy, H., Finley, J., Robertson, J., & Brown, P. N. (2020). Determination of Ethanol Content in Kombucha Using Headspace Gas Chromatography with Mass Spectrometry Detection: Single-Laboratory Validation. Journal of AOAC International, 104(1), 122–128. https://doi.org/10.1093/jaoacint/qsaa094

[10] De Miranda, J. F., Ruiz, L. F., Silva, C. B., Uekane, T. M., Silva, K. A., Gonzalez, A. G. M., Fernandes, F. F., & Lima, A. R. (2022b). Kombucha: A review of substrates, regulations, composition, and biological properties. Journal of Food Science, 87(2), 503–527. https://doi.org/10.1111/1750-3841.16029

[11] De Andrade, P. D. S. M. A., Silva, J. M. E., Carregaro, V., Sacramento, L. A., Roberti, L. R., Aragon, D. C., Carmona, F., & Roxo-Junior, P. (2022). Efficacy of Probiotics in Children and Adolescents With Atopic Dermatitis: A Randomized, Double-Blind, Placebo-Controlled Study. Frontiers in Nutrition, 8. https://doi.org/10.3389/fnut.2021.833666

[12] Papadopoulou, O. S., Argyri, A. A., Varzakis, E. E., Tassou, C. C., & Chorianopoulos, N. (2018). Greek functional Feta cheese: Enhancing quality and safety using a Lactobacillus plantarum strain with probiotic potential. Food Microbiology, 74, 21–33. https://doi.org/10.1016/j.fm.2018.02.005

[13] Office of Dietary Supplements - Probiotics. (n.d.-b). https://ods.od.nih.gov/factsheets/Probiotics-HealthProfessional/

[14] Depoorter, L., & Vandenplas, Y. (2021). Probiotics in Pediatrics. A review and practical guide. Nutrients, 13(7), 2176. https://doi.org/10.3390/nu13072176

[15] Yang, S. Y., & Yoon, K. S. (2022). Effect of probiotic lactic acid bacteria (LAB) on the quality and safety of Greek yogurt. Foods, 11(23), 3799. https://doi.org/10.3390/foods11233799

[16] Rezac, S. D., Kok, C. R., Heermann, M., & Hutkins, R. W. (2018). Fermented foods as a dietary source of live organisms. Frontiers in Microbiology, 9. https://doi.org/10.3389/fmicb.2018.01785

[17] Laye, I., Karleskind, D., & Morr, C. (1993). Chemical, microbiological and sensory properties of plain nonfat yogurt. Journal of Food Science, 58(5), 991–995. https://doi.org/10.1111/j.1365-2621.1993.tb06096.x

[18] Hecer, C., Ulusoy, B., & Kaynarca, D. (2019). Effect of different fermentation conditions on composition of kefir microbiota. ResearchGate. https://shorturl.at/fFJTZ

[19] Patra, J. K., Das, G., Paramithiotis, S., & Shin, H. (2016). Kimchi and other widely consumed traditional fermented foods of Korea: a review. Frontiers in Microbiology, 7. https://doi.org/10.3389/fmicb.2016.01493

[20] Kaashyap, M., Cohen, M., & Mantri, N. (2021). Microbial diversity and characteristics of kombucha as revealed by metagenomic and physicochemical analysis. Nutrients, 13(12), 4446. https://doi.org/10.3390/nu13124446

[21] Wang, B., Rutherfurd-Markwick, K., Zhang, X., & Mutukumira, A. N. (2022). Kombucha: Production and Microbiological research. Foods, 11(21), 3456.

May Zhu, RDN

May Zhu, RDN

May is the Registered Dietitian Nutritionist and nutrition expert at Begin Health.



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