How long does it take to repopulate the gut with good bacteria?

How long does it take to repopulate the gut with good bacteria?

Around six months. Without taking proper measures to repopulate your gut with the good bacteria, then it could take years to repopulate your gut or never happen properly. One study showed that people who took the proper steps to repopulate their gut recovered many of the lost bacteria within a month and a half. It takes about six months to mostly recover the microbes.

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Building back a healthy microbiome can take up to 6 months if you adopt the correct healthy habits ( such as diet, good exercise, plenty of sleep and stress management – and also potentially supplements) however it is a long term plan because you need to continue these habits daily to maintain a healthy gut microbiome.

When does gut bacteria drop that we need to repopulate it?

There are several ways that may cause your gut bacteria to drop – and that can put your health at risk.

The main way that usually depletes bacteria in your gut that requires re-population is from antibiotics. Antibiotics may kill off the good bacteria in your gut – especially if you’re taking antibiotics long term for a bigger problem.

How to repopulate gut bacteria

If you’re looking to repopulate your gut bacteria / microbiota there are numerous ways how to do this.

One of the most effective ways is taking gut bacteria supplements. Microbe formulas can help improve your body’s bacterial populations to give you better bodily functions.

You can also work on your diet. Eating probiotic foods like yogurt, kimchi, sauerkrot and more can help boost the amount of bacteria in your gut. These can help to repopulate the amount of bacteria in your gut.

Repopulating your gut with good bacteria – How Long?: The Summary

Considering all the information, it takes you around six months to recover the good bacteria in your gut. With the correct steps, you can recover in around a month and a half, however, full recovery can take up to half a year.

Reasons that you may lose the good bacteria in your gut is typically due to antibiotic use in the long term.

There are numerous ways to recover such as taking probiotics, prebiotics and eating probiotic rich food such as yogurt, kimchi and more.

Related articles:


University of Copenhagen The Faculty of Health and Medical Sciences. “The composition of gut bacteria almost recovers after antibiotics.” ScienceDaily. ScienceDaily, 23 October 2018.


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