Postbiotics: The Emerging Nutritional Powerhouse for Gut and Immunity

You must be familiar with probiotics and prebiotics, which are known to improve the gut health. But there is a new category of beneficial substances that are not only good for your gut but they enhance the overall health. These are called postbiotics.

Post biotics have recently gained attention in nutrition science as they deliver benefits for gut health, immunity and inflammation control.

What Are Postbiotics?

Let’s first understand probiotics and prebiotics.

Probiotics are living microorganisms or bacteria present in foods like yogurt, sauerkraut etc., which are vital for good digestion. When you eat these foods, it helps your digestive tract and overall health by promoting a healthy balance of beneficial bacteria and other microorganisms in your gut.¹

Prebiotics are basically foods with healthy amounts of fiber such as beans, whole grains, and certain vegetables, which break down in your body to create substances that help probiotics to thrive within your gut.

Postbiotics are the bioactive compounds the probiotic bacteria produce when they consume prebiotics or fiber. In simple terms, postbiotics is the waste that remains in your body after it digests both prebiotics and probiotics.

Types of Postbiotics

Healthy postbiotics include nutrients like vitamin B and vitamin K, amino acids, and antimicrobial peptides, which help in slowing down the growth of harmful bacteria.

Short-chain fatty acids that help healthy bacteria grow in the gut are also postbiotics. They are safe as there is no risk of infection and can be consumed through foods or supplements.

The Health Benefits of Postbiotics

They promote gut health by reducing the number of bad bacteria. Postbiotics are resistant to stomach acid unlike probiotics, hence they help improving digestive health

They strengthen immune system and control inflammation.

Their anti-microbial properties help protect the system from bacterial overgrowth and bacterial infections.

The market currently does not offer a wide choice of these supplements because they remain in their developing phase, which is different from prebiotics and probiotics.

Sources of Postbiotics

Consume more prebiotics and probiotics, as postbiotics are the end-products of these two.

Fermented foods such as yogurt, kefir, kimchi, sauerkraut, miso, and tempeh.

Fiber-rich foods such as grains, beans, and vegetables are also rich in postbiotics.

Cautions

Postbiotics are, currently, in an early stage of research and so more studies need to be done to explore further uses and efficacy. But like all other supplements and foods, postbiotics also work best as part of a balanced diet, not in isolation.

References

1. Harvard Health |Probiotics, prebiotics, postbiotics

Disclaimer: This content is for general informational purposes only and should not replace professional medical advice. Always consult a qualified healthcare provider with any questions about your health or treatment options.