All about PROBIOTICS and PREBIOTICS: Useful or not?

Probiotics and prebiotics have become increasingly popular these days due to their potential health benefits. Although these terms are often used interchangeably, they have distinct differences.

Probiotics are living microorganisms that are beneficial to human health when taken in adequate amounts. They are naturally present in the human gut, and their primary role is to promote digestive and immune health. Probiotics come in various forms, including yogurt, fermented foods, supplements, and drinks.

Prebiotics, on the other hand, are non-digestible fibers that serve as food for probiotics. They pass through the digestive tract and get fermented by beneficial bacteria in the gut, producing short-chain fatty acids that have shown to be beneficial for gut health. Food sources of prebiotics include bananas, onions, garlic, artichokes, and asparagus.

Both probiotics and prebiotics play a critical role in maintaining a healthy gut microbiome. Here are some of the benefits of these microbial agents:

  1. Improve digestion and nutrient absorption: Probiotics support healthy digestion by breaking down food and aiding nutrient absorption in the small intestine
  2. Boost immune function: Probiotics have shown to enhance the immune system by stimulating the production of antibodies and other immune cells.
  3. Reduce inflammation: Some strains of probiotics have anti-inflammatory properties that help reduce inflammation in the gut and other parts of the body.
  4. Promote mental health: Recent studies have linked gut health to mental health, with probiotics showing potential in reducing anxiety and depression symptoms.
  5. Enhance skin health: Probiotics are also beneficial for skin health, with some strains demonstrating the ability to prevent and treat acne, eczema, and other skin conditions.
  6. Regulate blood sugar: Prebiotics have shown to improve insulin sensitivity and regulate blood sugar levels, reducing the risk of type 2 diabetes.


When it comes to taking probiotics and prebiotics, it’s essential to consider factors such as your health status, age, and dietary needs. Here are some practical use cases to illustrate when and how much to take:

  1. Post-antibiotic therapy: Antibiotics, while useful in treating bacterial infections, can also kill off beneficial gut bacteria. Taking probiotics during and after antibiotic therapy can help restore the balance of gut flora.
  2. Gut health issues: Individuals with digestive issues such as irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), and diarrhea may benefit from taking probiotics.
  3. Immune system support: Individuals with weakened immune systems, such as the elderly and those with chronic illnesses, may benefit from taking probiotics to boost their immune function.
  4. Mental health support: Those with anxiety or depression symptoms may benefit from taking probiotics that have shown to have a positive effect on mental health.
  5. Type 2 diabetes prevention: Individuals at risk of type 2 diabetes may benefit from taking prebiotics to regulate blood sugar levels.


When it comes to dosages, it’s essential to follow the recommended guidelines on the product label or consult with a healthcare provider. Probiotics dosages range from 1 to 10 billion CFUs (colony-forming units) per day, depending on the brand and strain. Prebiotics dosages range from 5 to 20 grams per day, depending on the source.

While probiotics and prebiotics have many potential benefits, there are situations when it’s best to avoid them. For example, those with compromised immune systems or those undergoing organ transplants should avoid taking probiotics, as they may cause infections. Additionally, individuals with fructose intolerance should avoid taking prebiotics since they may exacerbate symptoms.

In conclusion, probiotics and prebiotics are essential for maintaining a healthy gut microbiome. While they have many potential benefits, it’s important to consider individual health needs and follow dosage guidelines. As with any supplement, it’s always best to consult with a healthcare provider before taking probiotics or prebiotics.

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