The probiotic market is booming, and it can be difficult to navigate through all the information circulating online. To help separate fact from fiction, Marie-Christine Proulx welcomed pharmacist Alexandre Chagnon for a special episode of the podcast Le Vrai du Faux, presented by Laboratoire Suisse.
What is a probiotic?
A probiotic is a living microorganism (bacteria or yeast) that, when consumed in sufficient quantities, provides a demonstrated health benefit to humans, explains Alexandre Chagnon.
Microbiota vs Probiotics vs Prebiotics
The microbiota
This is the community of billions of microorganisms (bacteria and microbes) that live in symbiosis within our body, mainly in the large intestine (colon), but also on the skin, in the nose, and in the mouth. An imbalanced microbiota weakens our overall health, particularly our immune system.
Probiotics
They help strengthen the microbiota, making it healthier, more resistant, and more resilient.
Prebiotics
These are the “food” for probiotics. They consist mainly of fibers that allow beneficial bacteria to grow and thrive.
In our gut, it’s all about territory. The more “good” microbes we have, the less space there is for the “bad” ones, says the pharmacist. An imbalance caused by a large number of harmful microbes can lead to intestinal problems (gas, constipation) or immune issues.
How do you know if a probiotic is effective?
The effectiveness of probiotics depends on the specific strain and the quantity of bacteria ingested. Unlike probiotic supplements, whose benefits are supported by clinical studies, food products such as yogurt or cereals can show more variable results.
- Quantity (CFU): The journey to the large intestine is perilous! The bacteria must survive the acidity of the stomach and the passage through the small intestine to reach the colon. That’s why a high initial quantity is needed to ensure enough bacteria arrive at their destination. This is why probiotic products generally contain one billion CFU or more.
- Type of strain: Studies are conducted on specific strains. It is important to learn about the different strains because some are more effective for intestinal issues, while others have different benefits.
When should you take probiotics?
Alexandre Chagnon explains that people facing more frequent health challenges can benefit from the effectiveness of probiotics in specific situations:
1. Winter season: Taken from the beginning to the end of the season, they can help prevent colds and gastroenteritis.
2. Antibiotic use: Antibiotics kill both bad and good bacteria. Probiotics help rebuild the gut flora during and after the treatment.
3. Starting daycare: Probiotics can provide valuable support for the immune system of young children.
4. Travel: Probiotics can also help prevent “traveler’s diarrhea.” The key is to start taking them 7 to 14 days before departure and continue for 7 days after returning from vacation.
5. Eczema: Certain strains influence inflammatory responses and may help reduce symptoms.
The Gut-Brain Axis: The Information Highway
Did you know that your gut communicates with your brain? Alexandre Chagnon explains that through the vagus nerve (the highway connecting the intestines to the brain), beneficial microbes send nerve signals that can modulate our response to stress and anxiety.
Conclusion: Making an Informed Choice
As Marie-Christine Proulx and Alexandre Chagnon conclude, probiotics are backed by scientific studies. To truly understand them, take the time to learn about the different strains and their specific uses. Don’t hesitate to consult your pharmacist to find the formula that best suits your needs!
Curious to learn more? Listen to the full episode of the podcast Le Vrai du Faux, proudly sponsored by Laboratoire Suisse:
*The episode is only available in French*
