What is the immune system?
The immune system is the body’s natural defense system and protects the body against viruses, bacteria, fungi, and other pathogens. At the same time, it helps detect and fight harmful or abnormal cells at an early stage.
In doing so, the body relies on various protective mechanisms. These include, among others, 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 portion 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 immune system 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 fatigue
These symptoms do not always indicate a serious illness. However, if symptoms persist, a medical evaluation should be sought.
7 Tips for Natural Support
1. Balanced Diet
A varied diet rich in vitamins, minerals, and fresh foods supports numerous processes in the immune system. Fruits, vegetables, and high-fiber foods play a particularly important role.
2. Staying Hydrated
Fluids support the mucous membranes and help maintain the body’s natural protective barriers. Many people therefore make a point of staying hydrated, especially during cold season.
3. Outdoor Exercise
Regular exercise can promote blood circulation and energize the body. Walking, cycling, 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 long-term strain on the body’s defenses.
5. Reduce stress
Chronic stress can weaken the immune system. Conscious rest periods, relaxation techniques, or short breaks throughout the day help many people unwind more effectively.
6. Sunlight & Vitamin D
Sunlight plays a key role in the body’s production of vitamin D. Vitamin D, in turn, supports numerous processes within the immune system.
7. Sauna & Contrast Showers
Many people find exposure to heat and cold stimulating 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 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 overall well-being. We’ve compiled a list of the most highly valued medicinal plants and their traditional uses for you here:

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










