Refuerza tus defensas El papel de los probióticos en el sistema inmune
15 de September de 2025

Strengthen your defenses: The role of probiotics in the immune system

Have you ever wondered what real influence probiotics have on the immune system? The answer is surprising, as it far exceeds what you probably imagine.

In fact, probiotics and the body’s defenses are closely related. So much so that they become a fundamental support for the proper functioning of our natural immune system. Would you like to dive deeper into this topic?

How does the natural immune system work?

This system is responsible for protecting our body from diseases and pathogens. Remember, it is made up of a network of cells, tissues, and organs that work together to identify and fight any invader that could affect our health.

Among the key cells are white blood cells, which detect and destroy harmful bacteria, viruses, and other microorganisms.

In addition, the natural immune system relies on valuable mechanisms such as the production of antibodies, proteins designed to neutralize specific threats.

In any case, it’s important to keep our immune system in optimal condition through healthy habits such as a balanced diet, regular exercise, and adequate rest. By adopting them and maintaining them over time, we ensure proper functioning and naturally strengthen our defenses.

The gut’s influence on human immunity

Most of our immune system—around 80%—is located in the gut. Consequently, taking care of it helps strengthen it. In fact, maintaining a balanced gut flora is an excellent strategy to reinforce our defenses, as it forms a barrier that protects against infections and harmful bacteria.

That is why the consumption of probiotics and overall health are so connected. These products help promote the necessary intestinal balance, which is essential to protect us from external pathogens.

Strategies to boost our defenses

Below we list the best recommendations for maintaining a strong and effective immune system:

  • Maintain a balanced diet rich in nutrients, with plenty of fruits, vegetables, lean proteins, and healthy fats.
  • Exercise regularly, as it helps reduce stress, improves blood circulation, and supports weight management.
  • Get enough sleep—at least 8 hours a day—and, if possible, keep consistent schedules and routines.
  • Manage stress, because chronic fatigue and anxiety weaken our defenses.
  • Avoid alcohol and tobacco.
  • Ensure good personal and environmental hygiene.
  • Strengthen your regular intake of probiotics to support the optimal functioning of your gut flora.

Key benefits of probiotics for the immune system

The beneficial impact of probiotics on the immune system is just one of their major advantages. They are truly good for your health—and not only because of how much they strengthen your immune system.

These live microorganisms help balance gut flora, which in turn improves the body’s immune response. By consuming probiotics regularly, you promote diversity and the abundance of beneficial gut bacteria, which often helps prevent infections and disease.

Moreover, probiotics that support the immune system aid healthy digestion, improve the absorption of essential nutrients, and reduce systemic inflammation.

Which probiotics strengthen our defenses?

Probiotics are beneficial microorganisms that balance the gut microbiota and reinforce the body’s immune response. However, not all of them are the same. When it comes to boosting defenses, the most recommended strains are:

  • Lactobacillus rhamnosus.
  • Bifidobacterium animalis.
  • Lactobacillus casei.
  • Bacillus clausii.

It is always advisable to use only those strains that have proven effective for the specific conditions or circumstances being addressed. For this reason, it is often wise to seek guidance from a nutrition specialist or a team of experts.

Even so, the strains mentioned have been shown to stimulate antibody production, strengthen the intestinal barrier, and regulate the body’s inflammatory response. By consistently consuming probiotics that include them, you promote greater resistance to infections and disease, as well as better overall digestive health.

Lastly, remember to always choose quality probiotic products to ensure their effectiveness in strengthening our immune system. Have you tried Proasis ice creams? And our probiotic cereals? They’re the best way to enjoy these ingredients healthily—with satisfaction and a touch of sweetness.

What is the ideal time to consume probiotics?

When we take them influences how much we benefit from probiotics. Whether you eat specific foods—such as yogurt or kefir—or supplements that include them, it is advisable to take them on an empty stomach. That way, the beneficial bacteria reach the gut without interference!

In the morning, before breakfast, is an excellent option because stomach acid is less active then. It is also advisable not to mix them with hot foods, since heat damages the live bacteria in these products.

Another option, supported by other experts, is to take them at night before going to bed so the probiotics can work overnight to balance the gut flora.

In any case, this is no small matter. Choosing the right time to take them is key to promoting the best performance of probiotics in the immune system. Is now a good time to start? Go ahead and try our functional Belgian chocolate ice cream with chips, our delicious muesli, or granola for breakfast.

Research sources

 

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