How long do probiotics stay in your system

How Long Do Probiotics Stay In Your System? (new findings)

Are you someone who’s been curious about probiotics and how long they stay in your system? Maybe you’re new to taking them and wondering if they’re worth the investment, or perhaps you’re a seasoned user looking to optimize your gut health.

You’re not alone.

As someone who has taken probiotics for years, I can attest to their health benefits. Probiotics have helped me improve my digestion, reduce gas and bloating, and even boost my immune system.

Well, in this post, we’re going to dive into all the science behind probiotics, how long they stick around in your body, and how to choose the best one for your gut health needs. 

Key Highlights
  • Most medical discoveries suggest probiotics may remain in your system for between 1 and 3 weeks.
  • Probiotics typically begin to work within 1-2 weeks of taking them, but it can take months to see major changes in gut health and overall health.
  • Side effects of too many probiotics can include digestive symptoms, brain fog, and a higher risk of infection in some people.
  • To flush out probiotics from your system, you can eat a light meal, take natural laxatives, use enemas and magnesium citrate, eat a high-fiber diet, or drink plenty of water or fruit juice
  • Click here for the BEST PRICE of our recommend probiotics supplement.

How Long Do Probiotics Remain In Your System?

The length of time probiotics stay in your system depends on several factors.

These include:

  • what kind of probiotic supplement do you take
  • the dosage you take
  • the frequency with which you take it, and
  • other supplements or medications you might be taking

However, most medical discoveries suggest that probiotics remain in your system for between 1 and 3 weeks. In other words, probiotics would only be in your gut for as long as you keep taking them. Otherwise, your gut would return to its non-supplemented state.

probiotics in human gut

Probiotics will not remain in your system forever. The viability of the bacteria within each capsule decreases over time, which means you need to replace your supply regularly. How often you should do so depends on the probiotic supplement you take and its potency (strength).

Another important factor influencing the length of time probiotics stay in your system is what kind of supplement you take. For instance, some probiotic species remain in your gut longer than others. For instance, Lactobacillus and Bifidobacterium are two types of bacteria that tend to stay in your body longer than many others.

To ensure the effect of probiotics last longer in your system, it’s important to choose a high-quality supplement. A good probiotic should contain multiple strains of beneficial bacteria, which work together synergistically.

What Is the Best Way To Take Probiotics?

Probiotics will work best when you consistently use your assigned product in the right dose. This ensures that your gut microbiome renews the population of its helpful bacteria and yeasts. Doing so will give you an enhanced feeling of wellness overall. Ideally, your probiotic supplement should include between 1 and 10 billion Colony-Forming Units.

taking probiotics

Here’s the part where you must confirm that you’re taking the right probiotic supplement product. Brands that produce probiotics understand that different individuals have various goals for using probiotic supplements.

For example, Biotics 8 probiotics is famous for the comfort it provides men as it’s known to aid their gut performance. There are also probiotic supplements for women and babies targeted at probiotics supplements.

In addition to general gut-related benefits like calm digestion and stronger immunity, females may use probiotics supplements for more targeted effects. Sure enough, you’ll find products that cater to clearer skin, improved vaginal flora, and even a slimmer belly.

There is no one-size-fits-all probiotic product. However, there are probiotic supplements specially made for multiple concerns. And that may excite you: feel free to identify your needs and explore them!

How Long Does It Take For Probiotics To Start Working?

Probiotics typically begin to work within 1-2 weeks of taking them. You’ll notice that your digestion gets better around this time as the probiotics start improving it. It’s important to use high-quality and proper doses, so ensure you’re using a good brand.

More changes should have occurred by your third week of taking your probiotic supplements consistently. In addition to aiding digestion, you should feel significantly better due to the benefits of taking your probiotics.

Decreasing the number of bad bacteria, increasing the number of good bacteria, and reducing inflammation by probiotics can all improve general health by the third week.

However, research shows that factors such as your health condition and probiotic supplement quality also determine their efficacy.

If you’re not seeing the expected results, try taking your probiotics for a longer period. Sometimes, It can take months before you begin to see major changes in your gut health and overall health.

What Are The Signs Probiotics Are Working In Your System?

Improved digestion, decreased gas flatulence, and more frequent bowel movements are all signs that your probiotics are working in your system. Also, look for reduced bloating, higher energy and immunity, and less abdominal pain and discomfort.

If you take probiotics, these signs indicate that your efforts are paying off. Gut feedback includes indicators such as gas production. They’re likely also to be accompanied by lower anxiety, stable moods, better mental focus, more pooping, and even less cold.

When you see these signs, your gut microbiome is becoming more healthy: the good bacteria are outnumbering and overcoming bad bacteria.

One great way to reinforce your digestive system’s health is by continuing to take a probiotic supplement daily.

However, don’t be too ambitious about populating your gut with good bacteria. You get the best effect when you follow your advisor’s health recommendations regarding what constitutes an appropriate ratio of microorganisms.

What Are The Side Effects Of Too Many Probiotics?

Side effects of too many probiotics vary from digestive symptoms like gas, bloating, and diarrhea to brain fog and an even higher risk of infection in some people.

Also, increased histamine levels may follow certain strains. Generally, there are no extreme effects such as death or adverse side effects, but you may feel uncomfortable.

This is why it’s advisable to stick to the recommended dose that your doctor prescribes or the correct dose, as the product label highlights.

Now that you know the adverse effects of taking too many probiotics. We’ll go through how to remove probiotics from your body and decrease the discomfort associated with a probiotic overload.

How Do You Flush Out Probiotics From Your System?

If you notice symptoms of too many probiotics in your gut or system, consider flushing the probiotics out of your system.

Here are ways to do that:

  • Eat a light meal to avoid stress on your digestive system
  • Take some natural laxatives like senna tea
  • Use enemas and magnesium citrate
  • Eat a high-fiber diet and plenty of fruit and vegetable
  • Eat several spoons of honey
  • Drink plenty of water or fruit juice

If you initially experience adverse side effects from probiotics, it is best to avoid them in the future by taking smaller doses for a longer period of time. This will help your body adjust to the new bacteria and prevent side effects. You can also try probiotics with another supplement containing prebiotics or fiber to help your body adjust.

It may be wise to steer clear of probiotics completely if you have suffered from serious adverse effects, or at the very least, wait until your digestive system has had time to heal.

What Types Of Probiotics Are Safe For Your System?


Different factors will determine if a probiotic is safe for your system. When looking for a safe probiotic supplement, you should consider the following:

#1. Quality

Prioritize quality over price when looking for a safe probiotic supplement for your gut. Probiotics are living organisms, and they can die off if stored improperly. The product should be packaged in an airtight container that prevents exposure to light and moisture. It is best to buy probiotics from a reputable brand that offers full transparency about the ingredients on their label.

#2. The goal of taking probiotics

Not all probiotics supplements are the same. Some are formulated to target particular people or conditions, while others are more general. It is important to understand what your microbiome needs to find a probiotic that will effectively help restore balance in the gut.

For example, if your gut is suffering from a bad case of SIBO (small intestinal bacterial overgrowth), you might want to look for a supplement that contains strains of bacteria that have been shown to combat this condition.

#3. Current medical condition

Your current medical condition may influence which probiotics you should take.

For example, if you are taking antibiotics for a bacterial infection, you may want to take a probiotic that contains Lactobacillus GG, which has been shown to protect against antibiotic-associated diarrhea. If you are currently taking medications, you must speak with your doctor before adding any supplements to your treatment regimen.

#4. General Health

Your general health also plays a role in the probiotic you should take. If you are generally healthy, your doctor may recommend that you take a daily probiotic containing multiple strains of bacteria.

However, if your immune system is compromised or other conditions are present (such as diabetes or obesity), they may recommend that you take a strain-specific probiotic supplement.

#5. Food and digestive health

Your diet can influence what’s happening in your gut, so it’s important to consider how probiotics may fit into your current eating habits.

For example, if you already eat yogurt, you probably don’t need another dose of the same bacteria daily. In fact, some probiotics are designed specifically for those who don’t eat dairy products on a regular basis.

#6. Age

Probiotics are typically safe for most people to take, but there are some age-related considerations that you should keep in mind. The elderly are more likely to have trouble absorbing nutrients from food and may benefit from a supplement that has a better chance of survival in the gut.

The Yourbiology probiotic is an example of a supplement that has a special coating that increases its survival rate by 250 times better in the guts. 

Yourbiology Gut+ bottle

This probiotic supplement that is specially coated to survive stomach acids and deliver beneficial bacteria deep into the intestines boosts energy and immunity. It’s beneficial for older people.

Other probiotics are designed specifically for one gender.

For example, Biotics 8 is formulated to optimize health in men by supporting healthy testosterone levels. It also has the Lactobacillus Plantarum strain that is known to help increase muscle growth, energy, and endurance. 

The two probiotics supplements above have been found to be generally safe for use, with many benefits. They are easy to absorb and cause fewer side effects than other products on the market.


As you can see, the answer to how long probiotics stay in your system is a little complicated. It depends on the probiotic strain, frequency, how much you take, and your individual body composition. Generally speaking, most probiotics will be eliminated from your system within 1-3 weeks.

However, if you’re looking for sustained benefits from probiotics, it’s best to cycle them regularly so that your gut bacteria have a chance to adjust and keep thriving.

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