What is the immune system?
The immune system is the body’s own defense system and protects the organism from viruses, bacteria, fungi, and other pathogens. At the same time, it helps detect and fight harmful or abnormal cells at an early stage.
To do this, the body relies on various protective mechanisms. These include, among other things, the skin, mucous membranes, certain immune cells, and complex immune responses throughout the body.
Gut health is also particularly important for immune defense, as a large proportion of immune cells are located in the gut.
Causes of a Weakened Immune System
The immune system can be compromised by various factors. Often, multiple causes play a role simultaneously.
Possible triggers include:
- chronic stress
- lack of sleep
- an unbalanced diet
- lack of exercise
- insufficient sunlight
- Smoking and alcohol
- Ongoing physical or mental stress
Chronic stress, in particular, can impair the body’s natural defenses over the long term and make the body more susceptible to infections.

A healthy lifestyle and traditionally used medicinal plants can naturally support the body’s immune system and overall well-being.
Typical signs of a weak immune system
A weakened immune system can manifest in various ways. Common symptoms include, for example:
- frequent colds or infections
- fatigue and exhaustion
- Difficulty concentrating
- Slow recovery
- increased susceptibility to infections
- General lethargy
These symptoms do not always indicate a serious underlying condition. However, if symptoms persist for an extended period, you should consult a doctor.
7 Tips for Natural Support
1. Balanced Diet
A varied diet with plenty of vitamins, minerals, and fresh foods supports numerous processes in the immune system. Fruits, vegetables, and high-fiber foods play a particularly important role.
2. Stay Hydrated
Fluids support the mucous membranes and help maintain the body’s natural protective barriers. That’s why many people make a point of staying well-hydrated, especially during cold and flu season.
3. Exercise in the Fresh Air
Regular exercise can improve blood circulation and energize the body. Walking, biking, or moderate endurance sports are often found to be beneficial.
4. Get enough sleep
Important regenerative processes take place during sleep. Chronic sleep deprivation, on the other hand, can put a long-term strain on the body’s immune system.
5. Reducing stress
Constant stress can weaken the immune system. Deliberate rest periods, relaxation techniques, or short breaks throughout the day help many people unwind more effectively.
6. Sunlight & Vitamin D
Sunlight plays an important role in the body’s production of vitamin D. Vitamin D, in turn, supports numerous processes in the immune system.
7. Sauna & Contrast Showers
Many people find exposure to heat and cold pleasant and invigorating. Regular sauna sessions or contrast showers are traditionally used to invigorate the body.
These medicinal plants can support you
For centuries, naturopathy has used selected medicinal plants to gently support the immune system and the body’s natural defenses. Many of these plants are traditionally used to support natural resilience, immune regulation, and general well-being.

Traditionally used medicinal plants such as echinacea, propolis, or Cretan rockrose can naturally support the body’s natural defenses and overall well-being.
- Cretan rockrose – is traditionally used to support the body’s natural defenses
- Asclepias – is often mentioned in connection with immune regulation
- Propolis – is traditionally considered to support the body’s natural defenses
- Okoubaka – is often used to help manage gastrointestinal discomfort
- Echinacea – is traditionally used to support the immune system










