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Written by Navneet Kaur, M.Sc. Nutrition & Dietetics

Diet

Prebiotics vs. Probiotics: Unraveling the Difference

These two elements, though distinct, are interconnected in their impact on our digestive system's equilibrium. While probiotics introduce live beneficial microorganisms, prebiotics serve as nourishment for these friendly bacteria, fostering their growth and functionality. Together, they help boost our immune system, aid digestion, and support mental well-being.  

Introduction

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Prebiotics nourish and promote the growth of existing beneficial bacteria in the gut, helping to maintain a balanced microbiome. Probiotics introduce new live bacteria to the gut, supplementing its population. 

1. Function 

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Prebiotics are found in fibre-rich foods like garlic, onions, bananas, and whole grains. Probiotics are present in fermented foods such as yoghurt, kimchi, sauerkraut, and kefir. 

2. Sources 

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Prebiotics support digestion, aid in nutrient absorption, and may help manage blood sugar levels. Probiotics can alleviate digestive issues, boost the immune system, and improve gut-brain communication. 

3. Health Benefits 

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Prebiotics pass through the small intestine undigested and reach the colon, where they serve as fuel for beneficial bacteria. Probiotics colonize the gut after consumption, contributing directly to the microbial balance. 

4. Mechanism 

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Prebiotics promote the growth of a variety of beneficial bacteria species in the gut. Probiotics introduce specific strains of bacteria or yeast with targeted benefits. 

5. Diversity 

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Prebiotics are not susceptible to stomach acids or digestion, making them readily available for gut bacteria. Probiotics can be sensitive to stomach acidity and require proper delivery methods for optimal survival. 

6. Survival 

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Prebiotics indirectly impact the gut microbiome by supporting the growth of existing bacteria. Probiotics directly interact with existing bacteria and influence their composition. 

7. Interactions 

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Studies on prebiotics have primarily focused on their role as nourishment for beneficial bacteria. Research on probiotics explores their potential in treating various conditions like irritable bowel syndrome, allergies, and more. 

8. Research 

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Prebiotics and probiotics work synergistically. The consumption of both can enhance the effectiveness of probiotics by providing a supportive environment for their growth and function. 

9. Synergy 

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As we navigate the intricate landscape of gut health, understanding the contrast between prebiotics and probiotics becomes paramount. These two elements, though distinct, are interconnected in their impact on our digestive system's equilibrium.  

Conclusion 

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