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What Are Postbiotics (& Why We Want Them)

What Are Postbiotics (& Why We Want Them)

What Are Postbiotics?

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Many people mothers battle with digestive points. We’re busy, we’re consuming on the run, and there’s barely even time to run to the lavatory on an excellent day! The difficult half is incorporating good consuming habits whereas juggling all of the issues household life throws at us. It may be a circus typically! 

Whereas maintaining a healthy diet and specializing in complete meals is crucial, dietary supplements may also enable you to assist your microbiome to digest all these wholesome meals. That’s the place prebiotics, probiotics, and postbiotics are available. 

Haven’t heard of POSTbiotics? Nicely, to not fear as we are going to dive into them on this article.

What Are Postbiotics? 

Postbiotics are the product of your intestine micro organism digesting a prebiotic. They’re technically a waste product of the micro organism. They embody a number of metabolites, together with:

  • Quick-chain fatty acids (SCFAs)
  • Lipopolysaccharides
  • Exopolysaccharides
  • Enzymes
  • Cell wall fragments
  • Bacterial lysates (combination of bacterial items)
  • Cell-free supernatants (combination of compounds made by micro organism and yeast)
  • Amino acids, nutritional vitamins, antimicrobial peptides, and extra

These are recognized for his or her health-promoting results, notably for the digestive and immune programs.

They could be a shortcut for optimizing your digestive well being. In case your physician agrees, you possibly can deliberately embody meals that promote postbiotics in your weight loss program or think about including a postbiotic complement. 

Postbiotics vs. Prebiotics 

The distinction between postbiotics and prebiotics is that we make postbiotics from prebiotics. Prebiotics are the fibers and starches which might be naturally current in meals. 

The intestine micro organism digest these fibers and starches and produce postbiotics, SCFAs, and different compounds. “Bacterial metabolites” is one other identify for them. 

The frequent SCFAs embody butyrate, acetate, propionate, pentanoic, and hexanoic acid. Butyrate is an important of the SCFAs. Analysis has proven this postbiotics can enhance many features of intestine well being, which we’ll cowl under. 

Postbiotics vs. Probiotics

The distinction between postbiotics and probiotics is that probiotics are the precise stay micro organism you possibly can absorb dietary supplements (just like the lactobacillus and bifidobacterium species). When taken as dietary supplements, these residing microorganisms produce helpful results within the host (you).

Probiotics could also be mixed with prebiotics in a complement to extend the manufacturing of those essential compounds. We name these combos “synbiotics,” as they work synergistically.

Taking synbiotics might assist in the manufacturing of postbiotics. It’s simply that particular processes should happen to provide them. If situations aren’t optimum within the digestive system, these processes might not work as effectively. 

For that cause, it could be useful to leap straight to the tip product of probiotics digesting prebiotics, which is: postbiotic dietary supplements. 

Well being Advantages of Postbiotics 

Postbiotics are good in your total well being and wellbeing. Nevertheless, some particular documented well being advantages, particularly the SCFA butyrate, embody:

  • Reducing irritation – Butyrate suppresses irritation within the colon by lowering the inflammation-promoting cells and proteins. 
  • Repairing leaky intestine A type of butyrate known as tributyrin helps the formation of tight junctions within the intestine lining to fight leaky intestine.
  • Supporting the mucus layers of the intestine – The physique wants SCFAs to provide mucus within the intestines. In addition they have an effect on the blood movement to the mucus layers of the colon, which helps digestive well being. With out sufficient SCFAs, the mucus layers can’t keep their thickness. 
  • Rising the variety of helpful micro organism within the intestine – Supplementation with SCFAs was proven to promote bacteroidetes in animal research, which helps keep a wholesome weight.
  • Eliminating pathogens – Postbiotics have proven promise in defending kids towards infectious illnesses by bettering the steadiness of the intestine microbiome. 
  • Bettering immune operate – Some postbiotics, like butyrate, assist to rein in an overactive immune response, whereas others assist to extend the immune response. 
  • Reducing autoimmunity – In stopping an excessively aggressive immune response, postbiotics might enhance signs of autoimmune illness.
  • Bettering allergic reactions – Youngsters with meals allergic reactions are inclined to have a deficiency in butyrate. Primarily based on animal analysis, postbiotics, like SCFAs, could also be a useful therapy for meals allergic reactions
  • Defending towards most cancers – Early analysis suggests postbiotics might suppress the expansion of most cancers cells, notably within the intestine. 

With out sufficient postbiotic compounds like butyrate within the physique, an individual could also be extra prone to develop immune or gut-related issues. 

Situations which might be related to low butyrate ranges embody the next: 

  • Inflammatory bowel illnessCrohn’s and ulcerative colitis, each autoimmune illnesses
  • Irritable bowel syndromeIBS – each constipation-dominant and diarrhea-dominant
  • Colon most cancers – preliminary research counsel postbiotics might even assist in the therapy
  • Kind 1 diabetes – diets excessive in acetate or butyrate supplied a excessive diploma of safety from diabetes
  • Rheumatoid arthritisan autoimmune illness – rheumatoid arthritis (RA) sufferers and animal fashions of RA have decrease ranges of SCFAs in comparison with wholesome controls
  • Weight problems – resulting from an imbalance within the intestine microbiota
  • Parkinson’s illness – the gut-brain connection
  • Allergy symptoms in kids – pores and skin allergic reactions, bronchial asthma, meals allergic reactions, and seasonal/environmental allergic reactions

These situations are extra seemingly as a result of the SCFAs steadiness the immune system and shield towards irritation and harm to the tissues. 

So, how can we enhance low butyrate ranges? We will do it via meals and supplementation.

Postbiotic Meals

As chances are you’ll know from earlier weblog posts, I attempt to get as a lot vitamin from meals as doable—earlier than including dietary supplements. So, earlier than you think about including a postbiotic complement, check out these dietary sources:

Resistant Starches 

Resistant starches are people who “resist” digestion and supply a meals supply for our intestine micro organism:

  • Leftovers! – cooked and cooled potatoes, candy potatoes, rice, oats, pasta (doesn’t should be wheat), beans, legumes, different grains
  • Inexperienced (unripe) bananas – larger in starches and decrease in sugars
  • Flours/meals: inexperienced banana flour, potato starch, Hello-Maize starch

These might be very easy to include by making potato salad with cooled potatoes, including cooked candy potatoes to a salad, making gluten-free baked items with potato starch, and simply reheating leftovers. 


Pectin is a kind of fiber that’s naturally current in sure vegetables and fruit, together with:

  • Apples 
  • Oranges 
  • Lemons
  • Apricots
  • Carrots

Pectin has naturally gelling capabilities, which is why we use it to make jams and jellies. Most individuals tolerate it nicely, and, not like the subsequent couple of meals parts, it isn’t excessive in FODMAPs, or fibers that may irritate IBS and different signs. 


Inulin is a kind of fiber known as a polysaccharide. It’s in a class of non-digestible carbohydrates known as fructans. Watch out with inulin in case you have points with FODMAPs. Listed here are some meals containing inulin:

  • Artichokes 
  • Onions 
  • Garlic 
  • Asparagus 
  • Chicory root 

One other postbiotic-promoting meals element is fructooligosaccharides, shortened to FOS. 

Fructooligosaccharides (FOS) 

Fructooligosaccharides (FOS) is a kind of polysaccharide. They’re made up of fructose chains strung collectively. Once more, watch out with meals excessive in FOS in case you have points with FODMAPs:

  • Onions
  • Jerusalem artichokes
  • Leeks
  • Garlic
  • Asparagus

Meals wealthy in inulin and FOS are straightforward to incorporate in soups. Listed here are just a few concepts:

You’ll be able to even make your individual French Onion Soup Combine


Nut consumption will increase the manufacturing of butyrate-producing micro organism within the intestine.

Fermented Meals

Fermented meals comprise probiotic micro organism that secrete postbiotics.

  • Miso – A fermented soybean paste made by fermenting soybeans with salt and koji (a fungus, Aspergillus oryzae). Some add different substances, like seaweed, grains (rice or barley), and seeds. Cooks will use miso in soups, sauces, and seasonings. 
  • Tempeh – A fermented soybean cake that’s part of conventional Indonesian delicacies. They ferment it with the Rhizopus species of fungus, Rhizopus oligosporus or Rhizopus oryzae. It’s typically marinated in brine or spices after which fried. It tastes nice in soups, stir-frys, sandwiches, or alone with a chili paste.
  • Sauerkraut – Not only for Germans! Fermented cabbage is a standard fermented meals from a number of nations, together with Poland, Russia, and Hungary.
  • Kimchi – A fermented cabbage dish from Korea. It takes conventional sauerkraut to the subsequent stage with different greens like radishes, spring onions, and spices like pink pepper, garlic, and ginger. 
  • Kefir – A fermented milk made with kefir grains, together with conventional dairy kefir, coconut milk kefir, or water kefir soda.
  • Kombucha This fermented tea drink originated in China and unfold via Russia and Jap Europe. The unique model is product of black tea and sugar and fermented with a starter known as a SCOBY – an acronym for Symbiotic Colony of Micro organism and Yeast.

Conventional cultures have used these postbiotic meals for hundreds of years all over the world. (Be taught extra on this put up in regards to the significance of conventional meals). Nevertheless, some individuals have points tolerating these meals. Some are on the excessive FODMAP checklist, and others are high-histamine meals.

Potential Aspect Results

Getting postbiotics from meals sources might trigger some uncomfortable side effects. Examples embody:

That’s the place a complement might be supportive. These dietary supplements are typically a lot simpler to tolerate than dietary fiber in case you have compromised intestine well being.

Postbiotic Dietary supplements

Postbiotic dietary supplements are a good way to bypass the digestive processes wanted to create these essential compounds. If you happen to’ve been coping with compromised digestion for some time, a postbiotic complement could also be a great way to calm irritation. It will probably additionally assist steadiness your immune system.

My favourite manner so as to add postbiotics into my well being routine is to rotate on this postbiotic from Simply Thrive. Not solely does it comprise postbiotics, but it surely additionally contains different immune-supporting substances, like zinc, selenium, and echinacea.

It’s additionally gluten-free and lactose-free, and it doesn’t have any fillers, stearates, or movement brokers like silicon dioxide. The veggie caps are straightforward to swallow.

This text was medically reviewed by Madiha Saeed, MD, a board licensed household doctor. As all the time, this isn’t private medical recommendation and we advocate that you just speak together with your physician.

Have you ever tried a postbiotic complement, notably in case you have points with FODMAP meals? What was your expertise? Share with us under!


Wegh, C., et al. (2019). Postbiotics and Their Potential Functions in Early Life Vitamin and Past. Worldwide journal of molecular sciences, 20(19), 4673. 

See Also
Mocha Swiss Meringue Buttercream

?ó?kiewicz, J., et al. (2020). Postbiotics-A Step Past Pre- and Probiotics. Vitamins, 12(8), 2189. 

Zimmerman, M. A., et al. (2012). Butyrate suppresses colonic irritation via HDAC1-dependent Fas upregulation and Fas-mediated apoptosis of T cells. American journal of physiology. Gastrointestinal and liver physiology, 302(12), G1405–G1415. 

Hou, Y., et al. (2014). Dietary supplementation with tributyrin alleviates intestinal damage in piglets challenged with intrarectal administration of acetic acid. The British journal of vitamin, 111(10), 1748–1758. 

Ohira, H., Tsutsui, W., & Fujioka, Y. (2017). Are Quick Chain Fatty Acids in Intestine Microbiota Defensive Gamers for Irritation and Atherosclerosis?. Journal of atherosclerosis and thrombosis, 24(7), 660–672. 

Pothuraju, R., et al. (2021). Mucins, intestine microbiota, and postbiotics position in colorectal most cancers. Intestine microbes, 13(1), 1974795. 

Chakraborti C. Ok. (2015). New-found hyperlink between microbiota and weight problems. World journal of gastrointestinal pathophysiology, 6(4), 110–119. 

Mantziari, A., et al. (2020). Postbiotics towards Pathogens Generally Concerned in Pediatric Infectious Illnesses. Microorganisms, 8(10), 1510. 

Berni Canani, R., et al. (2019). Intestine Microbiome as Goal for Revolutionary Methods Towards Meals Allergy. Frontiers in immunology, 10, 191.

Rad, A. H., et al. (2021). Molecular mechanisms of postbiotics in colorectal most cancers prevention and therapy. Essential opinions in meals science and vitamin, 61(11), 1787–1803.

Vich Vila, A., et al. (2018). Intestine microbiota composition and practical modifications in inflammatory bowel illness and irritable bowel syndrome. Science translational medication, 10(472), eaap8914. 

Mariño, E., et al. (2017). Intestine microbial metabolites restrict the frequency of autoimmune T cells and shield towards kind 1 diabetes. Nature immunology, 18(5), 552–562.

Rosser, E. C., et al. (2020). Microbiota-Derived Metabolites Suppress Arthritis by Amplifying Aryl-Hydrocarbon Receptor Activation in Regulatory B Cells. Cell metabolism, 31(4), 837–851.e10. 

Coppola, S., et al. (2021). The Protecting Position of Butyrate towards Weight problems and Weight problems-Associated Illnesses. Molecules (Basel, Switzerland), 26(3), 682.

Keshavarzian, A., et al. (2015). Colonic bacterial composition in Parkinson’s illness. Motion problems : official journal of the Motion Dysfunction Society, 30(10), 1351–1360. 

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