The Best Supplements for Gut Health
- Aaron Hopkins
- Jan 23
- 4 min read
The Best Supplements for Gut Health

Your gut health plays a critical role in your overall well-being. It influences digestion, immune function, mental health, and even your energy levels. With gut health becoming a growing concern, many people are turning to supplements to support their digestive system and improve the balance of their gut microbiota. Here are the top five supplements to consider for a healthier gut, backed by research.
1. Probiotics
Probiotics are live beneficial bacteria that help restore the balance of gut microbiota. These "good" bacteria can:
- Aid digestion.
- Support immune function.
- Reduce symptoms of irritable bowel syndrome (IBS).
Probiotics are available in various strains, each with specific benefits. For example, Lactobacillus and Bifidobacterium species are well-known for promoting gut health. When choosing a probiotic, look for products with diverse strains and a high CFU (colony-forming units) count.
Sources: Yogurt, kefir, fermented foods, and supplements.
Probiotic Supplement - Bio Cultures Complex Probiotics & Prebiotics: This supplement offers 60 billion CFU per serving, containing 20 gut-friendly bacterial cultures, including Lactobacillus acidophilus. It's vegan-friendly and provides a two-month supply with 120 capsules.
Research: Studies have shown that probiotics can reduce IBS symptoms and improve overall gut health (Didari et al., 2014).
2. Prebiotics
Prebiotics are non-digestible fibers that serve as food for probiotics. They help beneficial bacteria grow and thrive in your gut, leading to improved gut health. Prebiotics can:
- Increase the population of good bacteria.
- Improve digestion.
- Enhance absorption of nutrients.
Common prebiotic fibers include inulin, fructooligosaccharides (FOS), and galactooligosaccharides (GOS).
Sources: Garlic, onions, asparagus, bananas, and prebiotic supplements.
Prebiotic Supplment - Bimuno Daily Prebiotic Powder: A high-fiber, tasteless soluble powder that supports digestive health. It's vegetarian and halal, providing a one-month supply.
Research: A study in Nutrients highlighted the role of prebiotics in improving gut microbiota composition and reducing inflammation (Gibson et al., 2017).
3. Digestive Enzymes
Digestive enzymes are proteins that break down macronutrients like carbohydrates, proteins, and fats into smaller, absorbable molecules. These supplements can:
- Alleviate bloating and gas.
- Support digestion, especially for those with enzyme deficiencies.
- Reduce symptoms of food intolerances.
Sources: Papaya (contains papain), pineapple (contains bromelain), and enzyme supplements.
Digestive Enzyme Supplement - Vegavero Digestive Enzyme Supplement, Plant-Based with no additives and Lab-Tested.
Research: Studies suggest that digestive enzyme supplements can benefit people with pancreatic insufficiency and other digestive disorders (Roberts et al., 2010).
4. L-Glutamine
L-Glutamine is an amino acid that plays a crucial role in maintaining the integrity of the gut lining. It is particularly helpful for people with conditions like leaky gut syndrome or IBS. L-Glutamine can:
- Promote the repair of intestinal walls.
- Reduce gut inflammation.
- Support immune cells in the gut.
Sources: Meat, fish, eggs, and L-glutamine supplements.
L-Glutamine Supplement -Applied Nutrition L Glutamine
Research: A study published in Clinical Nutrition found that L-glutamine supplementation improved gut barrier function in people with gut disorders (Rao et al., 2015).
5. Fiber Supplements
Dietary fiber is essential for gut health as it supports regular bowel movements and provides food for gut bacteria. Fiber supplements, particularly soluble fiber like psyllium husk, can:
- Relieve constipation.
- Balance gut microbiota.
- Lower cholesterol levels.
Sources: Psyllium husk, flaxseeds, chia seeds, and fiber powders.
Fiber Supplement - Well Within Prebiotics for Gut Health Soluble Fibre Supplement, 40% NHS Daily Intake, 3in1 Fibre Powder
Research: Research published in The American Journal of Gastroenterology supports the use of psyllium for improving bowel regularity and gut health (Eswaran et al., 2013).
Choosing the Right Supplement
When selecting a supplement for gut health, consider the following:
- Your specific needs (e.g., IBS symptoms, constipation, or leaky gut).
- The quality and reputation of the brand.
- Consultation with a healthcare provider to determine the right supplement and dosage.
Gut health is the foundation of overall well-being, and supplements can play a vital role in supporting a healthy digestive system. Probiotics, prebiotics, digestive enzymes, L-glutamine, and fiber are among the most effective supplements for improving gut health. Incorporating these into your daily routine, along with a balanced diet and lifestyle, can lead to better digestion, stronger immunity, and enhanced overall health.
References
1. Didari, T., Mozaffari, S., Nikfar, S., & Abdollahi, M. (2014). Effectiveness of probiotics in irritable bowel syndrome: Updated systematic review with meta-analysis. World Journal of Gastroenterology, 20(41), 15824–15834. https://doi.org/10.3748/wjg.v20.i41.15824
2. Gibson, G. R., Hutkins, R., Sanders, M. E., et al. (2017). Expert consensus document: The international scientific association for probiotics and prebiotics (ISAPP) consensus statement on the definition and scope of prebiotics. Nutrients, 9(12), 1361. https://doi.org/10.3390/nu9121361
3. Roberts, K., Ellis, A., & Dunlop, S. P. (2010). Effect of pancreatic enzyme supplements on malnutrition in chronic pancreatitis: Systematic review. Gut, 59(5), 665–672. https://doi.org/10.1136/gut.2010.224774
4. Rao, R., Samak, G., & Bhat, A. A. (2015). Role of glutamine in protection of intestinal epithelial tight junctions. Clinical Nutrition, 34(3), 429–437. https://doi.org/10.1016/j.clnu.2015.07.013
5. Eswaran, S., Muir, J., & Chey, W. D. (2013). Fiber and functional gastrointestinal disorders. The American Journal of Gastroenterology, 108(5), 718–727.
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