Digestive Health

Probiotics for digestive health: what to know before you buy

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01/31/2025

Discover what to look for in probiotics, proven gut health benefits and what science still doesn’t know. Choose the best probiotics for your needs so you can feel your best!

 

You have probably heard about the benefits of using probiotics for gut health but with so many to choose from, where do you even begin? Studies show that using probiotics may improve your digestive health, boost your immune system and even enhance your overall well-being. If you want to start including probiotics in your diet, understanding the role they play in gut health is the first step.

 

What about probiotics is proven to help gut health?

 

Probiotics are known to promote gut health by introducing beneficial bacteria to your digestive system. Studies show they may help balance gut microbiota, which can be disrupted by factors such as stress, illness or antibiotics. Specific strains, such as Lactobacillus rhamnosus GG, have been shown to reduce diarrhea caused by infections or antibiotic use. Similarly, Bifidobacterium infantis has demonstrated some effectiveness in alleviating symptoms of irritable bowel syndrome (IBS), including bloating and gas.

 

Additionally, probiotics may enhance the gut barrier function, reducing inflammation and supporting overall digestive health. Research also suggests that probiotics may play a role in alleviating constipation, improving nutrient absorption and supporting your immune system through interactions in the gut.

 

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What do we not yet know about probiotics for digestive health?

 

Despite the promising benefits of probiotics, there’s still much we don’t know. The gut microbiome is highly complex and researchers are only beginning to understand how different probiotic strains interact with a person’s unique gut environment. What works well for one person may not have the same effect for another, as genetics, diet and lifestyle all play a significant role in your gut health.

 

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It's also unclear which combinations of probiotic strains work best for specific conditions or how long probiotics need to be taken to see consistent benefits. Additionally, many over-the-counter probiotics lack robust clinical studies to confirm their claims, which can make it challenging for consumers to determine their efficacy.

 

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Further research is needed to understand how probiotics might impact areas beyond digestion, such as mental health or metabolic health. While the potential is exciting, it’s essential to approach probiotic use with realistic expectations and consult your doctor if you’re managing a specific digestive condition. Having digestive concerns? Find a gastroenterologist near you.

 

What to look for when buying probiotics for digestive health

 

Choosing the right probiotic can feel overwhelming with so many options available. When selecting a probiotic for digestive health, look for products containing specific strains that have been studied for gut health benefits, such as Lactobacillus and Bifidobacterium species. Check the label for colony-forming units (CFUs) – a measurement of the live microorganisms in the product. Most experts recommend a probiotic with at least 1 billion CFUs for general digestive health.

It’s also important to choose a product that has undergone third-party testing to ensure potency and accuracy in labeling. Some probiotics include additional ingredients, such as prebiotics or vitamins, but simple formulations often work just as well.

 

Lastly, consider the packaging. Many probiotics are sensitive to heat, light, and moisture, so opt for products with proper storage instructions, whether they need refrigeration or are shelf-stable.

 

Are probiotics doing enough for your gut health? Find a gastroenterologist near you

 

The Bottom Line: Probiotics can be a valuable addition to a healthy lifestyle, supporting gut health and digestion when chosen carefully. Look for clinically studied strains, follow proper storage guidelines and focus on proven benefits while staying mindful of what’s yet to be uncovered about these live microorganisms. Consulting your doctor about taking probiotics for your digestive health can help you make the best choice for your individual needs.