If you're considering starting a probiotic regimen but still have some questions, you're in the right place. In this article, we’ll explain when probiotics might be beneficial, how long they take to work, and whether taking them regularly is a good idea. By the end, you’ll have all the information you need to start your probiotic journey with confidence.

What Are Probiotics?

Living Microorganisms Naturally Present in Our Bodies

Probiotics are living microorganisms found within our bodies. They primarily reside in our intestines but are also present on our skin, in our mouth, and on our mucous membranes. Probiotics include both bacteria and yeasts, with dozens of different strains. Together, they form a complex ecosystem known as the microbiome.

When the microbiome is well-balanced, it plays a crucial role in several vital functions:

  • It supports digestive function
  • It aids in nutrient absorption
  • It helps synthesize certain vitamins
  • It acts as a key part of the immune defense system
  • Recent research has highlighted the two-way communication between the gut and the brain, suggesting that the microbiome may influence emotional well-being. However, further studies are needed to fully understand this connection.

Found in Certain Foods and Available as Supplements

Probiotic bacteria are naturally present in our bodies from birth, but they can also be found in certain fermented foods and drinks. This includes yogurt, kefir, kombucha, and sauerkraut.

Additionally, specialized brands like Solage have developed probiotic supplements designed for targeted use. These supplements contain billions of live bacteria, carefully selected for their health benefits and formulated to work deep within the body.

The effectiveness of probiotic supplements depends on several factors, the most important being that the bacteria remain alive and can withstand stomach acid to reach the intestines.

For guidance on choosing the right probiotic supplement, check out our latest article.

Now, let’s explore when taking probiotics might be beneficial, how long they take to work, and whether regular use is recommended.

When Should You Take Probiotics?

In What Cases Can a Probiotic Cure Be Beneficial?

Because they support a healthy microbiome, probiotics can be useful in many situations. However, to date, the most well-documented benefits, backed by significant scientific studies, relate primarily to digestive health.

Probiotic supplementation has been shown to have beneficial effects in the following cases:

  • Relieving antibiotic-associated diarrhea.
  • Restoring gut microbiota in cases of intestinal dysbiosis.
  • Strengthening intestinal immune defenses.
  • Reducing lactose intolerance.
  • Improving bowel transit.
  • Fighting against Helicobacter pylori infection.

Although further studies are needed, probiotics are also believed to be potentially effective in:

  • Lowering serum cholesterol levels.
  • Reducing certain food allergies.
  • Preventing traveler’s diarrhea.
  • Alleviating inflammatory bowel diseases such as Crohn’s disease.
  • Relieving irritable bowel syndrome (IBS).
  • Easing chronic constipation.
  • Combating bacterial vaginosis and candidiasis.
  • Fighting bacterial urinary tract infections.
  • Reducing anxiety and promoting emotional balance. Research in this area is still emerging and remains a topic of debate.

How Long Do Probiotics Take to Work?

Experts agree that the beneficial effects of probiotics typically start to appear within 10 to 14 days of use. To fully reap their benefits, a minimum of one month is recommended.

Important to know: The duration of probiotic supplementation varies depending on the condition being treated, and results may take more or less time to become noticeable.

Below are the recommended durations based on specific health concerns:

  • Restoring your gut microbiota after taking antibiotics: It is advised to take probiotics during your antibiotic treatment and continue for 7 to 10 days after completing the course.
  • Treating diarrhea: Start your probiotic regimen as soon as symptoms appear and continue for 7 to 10 days after they subside.
  • Preventing traveler’s diarrhea: Begin taking probiotics one week before your trip, continue throughout your stay, and keep taking them for 10 to 14 days after returning home.
  • Constipation with laxative use: A one-month course.
  • Digestive and intestinal issues (e.g., bloating): A one-month course.
  • Bad breath (halitosis): A one-month course.
  • Recurring mouth ulcers (aphthae): A one-month course.
  • Cystitis, vaginitis, or candidiasis: Start probiotics at the onset of symptoms and continue for one week after they disappear. If Escherichia coli is present in the urine, taking probiotics is highly recommended.
  • Infection with Helicobacter pylori: Start taking probiotics at the beginning of antibiotic treatment and continue for up to three weeks after completing it.

Of course, your doctor is the best person to advise you before starting a probiotic course. We strongly recommend consulting them beforehand.

Can You Take Probiotics Regularly?

Yes, you can consume probiotics regularly, even daily throughout the year, if they come from probiotic foods. Since they are considered safe, probiotic supplements can also be taken several times a year if you feel the need.

Are There Any Contraindications to Taking Probiotics?

Probiotics are among the safest dietary supplements and are generally considered risk-free. Even when taken in high doses, they do not pose any health risks, meaning there is no risk of overdose. Additionally, probiotics do not interact with medications.

However, probiotics are not recommended for immunocompromised individuals (or those taking immunosuppressive medications) and people experiencing black stool. If this applies to you, consult a general practitioner before considering probiotic supplementation.

References : 

  1. Yuxuan Wang, Yinyin Jiang, Yuxin Deng, Chen Yi, Yangcan Wang, Mengnan Ding, Jie Liu, Xuanjing Jin, Lishan Shen, Yue He, Xinyun Wu, Xuefei Chen, Changyi Sun, Min Zheng, Ruijia Zhang, Hailv Ye, Huiting An and Aloysius Wong - Probiotic Supplements: Hope or Hype ? - Sec. Food Microbiology ; Volume 11 - 2020
  2. Current status of probiotic and related health benefits - Tridip K. Das a, Shrabani Pradhan a, Sudipta Chakrabarti a, Keshab Chandra Mondal b, Kuntal Ghosh - Applied Food Research - Volume 2, Issue 2, December 2022, 100185.
  3. Kajal Farahmandi, Sadegh Sulaimany, Kambiz Kalhor - Twenty years review of probiotic meta-analyses articles: Effects on disease prevention and treatment - Medrxiv - 2021
  4. Lynne V. McFarland, Tarkan Karakan, Ali Karatas - Strain-specific and outcome-specific efficacy of probiotics for the treatment of irritable bowel syndrome: A systematic review and meta-analysis -  eClinicalMeddicine - VOLUME 41, 101154, NOVEMBER 2021