probiotics and prebiotics for gut health

Probiotics and Good Bacteria: Keys to a Healthier Gut Health

Escrito por: Dayvin Malifer

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Tiempo de lectura 5 min

When you think about health, your gut might not be the first thing that comes to mind—but it should be. Your digestive tract is home to trillions of bacteria that influence everything from digestion and immunity to mood and metabolism [¹] . And for growing kids, maintaining a balanced gut microbiome is especially important, especially if they’re relying on a bold support like a picky eater multivitamin to fill in nutritional gaps.


Three superstar strains— Lactobacillus rhamnosus , Lactobacillus acidophilus , and Bifidobacterium bifidum —have emerged as some of the most well-researched and beneficial probiotics for gut health [⁵] . But what do they really do, and how can they benefit children and adults alike?


Let’s break it down.

Understanding Probiotics and the Microbiome

Probiotics are live microorganisms that, when consumed in adequate amounts, offer health benefits—primarily by supporting the ecosystem of “good bacteria” in your gut [¹]. A healthy gut microbiome aids digestion, regulates inflammation, supports immunity, and even communicates with the brain through the gut-brain axis [²].


However, not all probiotics are created equal. The strains Lactobacillus rhamnosus, Lactobacillus acidophilus, and Bifidobacterium bifidum each offer specific, science-backed benefits for gut health—especially in children and individuals with sensitive digestion [¹].


Modern stressors like processed food, antibiotics, and illness can disrupt this delicate balance. That’s where supplemental probiotics—or probiotic-rich foods—can help restore harmony [⁶].

probiotics

Why These Three Strains Stand Out

Not all probiotics are created equal. The strains Lactobacillus rhamnosus , Lactobacillus acidophilus , and Bifidobacterium bifidum each offer specific, science-backed benefits for gut health—especially in children and individuals with sensitive digestion.

1. Lactobacillus rhamnosus: The Gut Defender

Known for its resilience, Lactobacillus rhamnosus can survive stomach acid and colonize the intestines effectively [¹]. It has been shown to:


  • Reduce the risk of diarrhea , including antibiotic-associated and traveler’s diarrhea [³]

  • Alleviate symptoms of eczema and allergies in infants and children [⁴]

  • Support mood and emotional well-being by influencing gut-brain signaling [⁵]

probiotics in the gut

Its versatility makes it a staple in many pediatric probiotic formulations.

2. Lactobacillus acidophilus: The Digestive Helper

A resident of the small intestine, Lactobacillus acidophilus helps break down lactose and ferment carbohydrates, which can ease digestion and reduce bloating. Benefits include:


  • Improved lactose digestion for kids with sensitivity [⁶]

  • Production of antimicrobial substances that crowd out harmful bacteria [⁷]

  • Reduction in abdominal pain and gas in children with irritable bowel symptoms [⁶]

Healthy Guts

This strain is commonly found in yogurt and fermented foods and is essential for maintaining the gut’s acidic balance.

3. Bifidobacterium bifidum: The Immune Booster

Naturally abundant in infants, Bifidobacterium bifidum plays a foundational role in early gut development and immunity. As kids grow, supporting this strain remains crucial. Research shows it:


  • Enhances immune system regulation , especially in young children [⁸]

  • Reduces intestinal inflammation in both children and adults [⁸]

  • Improves bowel regularity and overall microbiota diversity [⁸]

Immune Booster

This strain is often depleted by antibiotics, so replenishing it is key after illness or medication—especially through diet or a picky eater multivitamin that includes well-studied strains.

Unlike general probiotics, these strains have been extensively studied for their targeted effects on pediatric gut health, immune support, and digestive comfort. Their combined impact not only supports daily well-being but also helps build long-term resilience in developing microbiomes. Choosing well-researched strains with proven benefits ensures that kids receive the support their growing bodies actually need—not just generic digestive aid [³].

Probiotic Support for Kids’ Gut Health

Children are more vulnerable to gut imbalances, especially during growth spurts, dietary changes, or illness. These three strains can help:


  • Balance digestive bacteria [⁶]

  • Reduce common tummy troubles like constipation or diarrhea [⁸]

  • Support immune resilience during school years and seasonal transitions [⁸]

Clinical studies support their use in kids as young as 6 months old when delivered in safe doses and appropriate formats [⁸].

Support Kids Gut Health

Best Ways to Include Probiotics in the Diet

  • Fermented Foods : Yogurt, kefir, miso, and sauerkraut contain natural probiotics [⁷].

  • Supplements : Look for multi-strain probiotic formulas tailored to age and digestive needs. Many are available as chewables, powders, or liquids for kids [⁷].

  • Prebiotic-Rich Foods : To feed probiotics, add bananas, garlic, oats, or inulin to meals [⁷].

Always check labels for strain names and CFU (colony forming unit) counts—and talk to your child’s doctor to ensure the right fit [⁶].

Probiotics in the diet

Safety and Considerations

Probiotics are generally considered safe for healthy children and adults. However:


  • Kids with compromised immune systems or underlying conditions should be evaluated before starting a supplement

  • Mild bloating or gas can occur initially but typically subsides with continued use

Consistency is key—probiotics work best when taken daily over time.

Conclusion

Gut health isn’t just about digestion—it’s the foundation of overall well-being. Lactobacillus rhamnosus , Lactobacillus acidophilus , and Bifidobacterium bifidum offer targeted support for kids and adults alike, improving digestion, boosting immunity, and promoting microbial balance.


Whether you’re navigating your child’s tummy troubles or just want to feel better from the inside out, these probiotic strains can be a powerful part of a gut-friendly lifestyle—and even better when found in a picky eater multivitamin designed to meet their specific needs.

FAQs

Can these probiotics help with my child’s frequent tummy aches?

Yes, studies show that these strains can help reduce bloating, gas, and irregular bowel movements in children [⁶].

What’s the best time to give probiotics to kids?

Usually, probiotics are best taken with food or shortly after a meal to maximize survival through the digestive tract. Consistency is more important than timing [⁵].

Are probiotics safe for daily use in kids?

Yes, in healthy children, daily probiotic use is generally safe and well-tolerated [⁸]. Always consult a pediatrician for personalized advice.

References

  1. Hill, C., Guarner, F., Reid, G., Gibson, G. R., Merenstein, D. J., Pot, B., ... & Sanders, M. E. (2014). Expert consensus document: The International Scientific Association for Probiotics and Prebiotics consensus statement on the scope and appropriate use of the term probiotic. Nature Reviews Gastroenterology & Hepatology, 11(8), 506-514. Retrieved from https://pubmed.ncbi.nlm.nih.gov/24912386/ .

  2. Mayer, E. A., Knight, R., Mazmanian, S. K., Cryan, J. F., & Tillisch, K. (2014). Gut microbes and the brain: paradigm shift in neuroscience. The Journal of Neuroscience, 34(46), 15490–15496. Retrieved from https://pmc.ncbi.nlm.nih.gov/articles/PMC4228144/ .

  3. Guandalini, S., Pensabene, L., Zikri, M. A., Dias, J. A., Casali, L. G., Hoekstra, H., ... & Canani, R. B. (2000). Lactobacillus GG administered in oral rehydration solution to children with acute diarrhea: a multicenter European trial. Journal of Pediatric Gastroenterology and Nutrition, 30(1), 54-60. Retrieved from https://pubmed.ncbi.nlm.nih.gov/10630440/ .

  4. Kalliomäki, M., Salminen, S., Poussa, T., Arvilommi, H., & Isolauri, E. (2003). Probiotics and prevention of atopic disease: 4-year follow-up of a randomised placebo-controlled trial. The Lancet, 361(9372), 1869–1871. Retrieved from https://pubmed.ncbi.nlm.nih.gov/12788576/ .

  5. Steenbergen, L., Sellaro, R., van Hemert, S., Bosch, J. A., & Colzato, L. S. (2015). A randomized controlled trial to test the effect of multispecies probiotics on cognitive reactivity to sad mood. Brain, Behavior, and Immunity, 48, 258–264. Retrieved from https://www.sciencedirect.com/science/article/pii/S0889159115000884 .

  6. Malagelada, J. R., Malagelada, C., & Malagelada, F. (2019). Probiotic use in pediatric irritable bowel syndrome. Gastroenterology Clinics of North America, 48(3), 511-524. Retrieved from https://pmc.ncbi.nlm.nih.gov/articles/PMC4590561/ .

  7. Sanders, M. E., Guarner, F., Guerrant, R., Holt, P. R., Quigley, E. M. M., Sartor, R. B., ... & Mayer, E. A. (2013). An update on the use and investigation of probiotics in health and disease. Gut, 62(5), 787-796. Retrieved from https://pubmed.ncbi.nlm.nih.gov/23474420/ .

  8. Wopereis, H., Oozeer, R., Knipping, K., Belzer, C., & Knol, J. (2014). The first thousand days – intestinal microbiology of early life: establishing a symbiosis. Pediatric Allergy and Immunology, 25(5), 428–438. Retrieved from https://pubmed.ncbi.nlm.nih.gov/24899389.

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