Plants for the soul – medicinal plants for depressive moods
Find out how medicinal plants work against depression in modern psychiatry and what mechanisms lie behind it.

Plants for the soul – medicinal plants for depressive moods
In a world where stress and depressive moods are omnipresent, many people are taking an alternative route: medicinal plants. But how exactly can these green powerhouses restore mental balance? More and more studies and experts are showing that the combination of nature and psychiatry is not just a trend, but can actually have healing effects. In this article we take a look at the role of medicinal plants in modern psychiatry and explain how herbal antidepressants work and can be used. We shed light on the psychological and physiological mechanisms that underlie the healing power of plants. Curious? Let's delve into the fascinating world of herbal medicine and discover how it can help us drive away the clouds of sadness.
The role of medicinal plants in modern psychiatry
Medicinal plants have a long tradition in the treatment of mental illnesses. In modern psychiatry they are increasingly used as complementary or alternative therapies. These plants can be taken both in the form of teas, extracts and capsules to relieve the symptoms of depression, anxiety and other mental disorders. The use of plants such as St. John's wort, valerian and passionflower have been proven to be beneficial in numerous studies.
An important aspect of the role of medicinal plants in psychiatry is their basis in phytotherapy. This is the use of plants to treat diseases, whereby herbal active ingredients are able to act on the central nervous system. St. John's wort, for example, contains hypericin and hyperforin, which can have a positive effect on mood. In the case of chemical-related disorders, the use of such plants can often help reduce the need for synthetic antidepressants.
Studies have shown that herbal remedies are able to increase the effectiveness of traditional therapeutic approaches. One study found that patients who took St. John's wort in addition to their conventional medications achieved significantly better results than those who relied only on chemical antidepressants. The side effects are also lower in many cases, which is another advantage.
Research has also recognized the growing trend of using medicinal herbs in mental health. Clinical studies show that integrating medicinal plants into therapy concepts can be beneficial for many patients. They are often used in combination with other therapies, such as psychotherapy or medication, to achieve the best results. However, sound advice from specialists is necessary.
In practice, the combination of herbal remedies and modern psychiatry is often carefully considered. Psychiatrists and therapists must select the right medicinal plants and ensure that they do not mix negatively with other medications. This is where pharmacologists play a significant role by analyzing the interactions between different substances.
To support the use of medicinal plants in modern psychiatry, training programs for doctors and therapists are also being developed. These programs aim to provide in-depth knowledge of the effects and uses of medicinal plants. The networking of conventional medicine and alternative healing methods is considered useful in order to improve the chances of recovery for patients.
Effects and use of herbal antidepressants
Herbal antidepressants are becoming increasingly important in modern psychiatry. They often offer an alternative or complement to classic chemical antidepressants, especially for patients who suffer from side effects or do not want to consider pharmaceutical options. Typical representatives are St. John's wort, valerian and passionflower.
St. John's wort(Hypericum perforatum) is one of the most commonly used herbal antidepressants. Studies show that it has a similar spectrum of effects to selective serotonin reuptake inhibitors (SSRIs). A meta-analysis has shown that St. John's wort has a significant positive effect on mild to moderate depression.
Here are some of the main ingredients and their possible effects:
| ingredient | Effect | 
|---|---|
| Hypericin | Modulation of neurotransmitters, especially serotonin | 
| Hyperforin | Promote serotonin and norepinephrine reuptake | 
| Flavonoids | Antioxidant properties | 
valerian(Valeriana officinalis) is often used to relieve anxiety and promote sleep. While it is not directly classified as an antidepressant, when combined with other herbal remedies it can help improve mood.
ThePassionflower(Passiflora incarnata) is characterized by its calming effect and can be beneficial for anxiety and sleep disorders. Like valerian, it is often used as part of a holistic therapeutic approach.
Overall, many studies indicate that herbal antidepressants have fewer side effects than conventional medications, with tolerability and long-term use often being the focus. However, it remains important to consult a doctor before use, as herbal supplements may interact with other medications and are not suitable for every patient.
Psychological and physiological mechanisms behind plant healing
Plant healing works on multiple levels and can activate both psychological and physiological mechanisms. The psychological aspects include the changes in emotional state caused by certain chemical compounds in plants. Many medicinal plants, such as St. John's wort (Hypericum perforatum) and valerian (Valeriana officinalis), contain bioactive substances that have a positive effect on mood. For example, hypericin and hyperforin in St. John's wort are thought to increase serotonin levels in the brain, which may relieve depressive symptoms.
From a physiological point of view, herbal remedies influence the biochemical processes in the body. These substances interact with neurotransmitters, particularly serotonin, norepinephrine and dopamine. The mechanism by which these plants work can often be modeled on the classic medicines used in conventional medicine. A common effect is to inhibit their breakdown or by blocking receptors in the central nervous system.
| plant | Main ingredients | Effect |
|—————————-|——————————————|——————————-|
| St. John's wort | Hypericin, Hyperforin | Mood-enhancing, anti-depressant |
| Valerian | Valerenic acid, valepotriate | Calming, anti-anxiety |
| Passionflower | Passiflorin | Relaxing, sleep-promoting |
The psychosocial environment also plays a crucial role. Consuming herbal remedies can increase feelings of control and self-efficacy. Many people find that taking natural products is less stigmatized than using antidepressant medications, which can lead to an improved psychological state. This is particularly important in integrative psychiatry, where the patient's well-being is the priority.
The effects of these plants often cannot be viewed in isolation. Stress and lifestyle also have a huge impact on mental health. The simultaneous use of herbal therapy and lifestyle changes such as dietary changes or regular exercise can potentially increase the positive effects. This is also reflected in the growing number of studies examining the synergies between herbal and psychosocial interventions.
Overall, the analysis of the role of medicinal plants in the treatment of depressive moods shows that these natural remedies can represent a valuable addition to modern psychiatry. The effectiveness of herbal antidepressants, supported by empirical research, can be viewed not only as an alternative but also as a complementary strategy to address mental illness. The psychological and physiological mechanisms underlying the healing effects of plants open new perspectives for the treatment of depression by expanding the understanding of the complex interactions between body and mind. Future research approaches should further investigate the molecular basis and long-term effects of these medicinal plants in order to ensure evidence-based benefits and to sustainably promote the integration of these natural resources into psychotherapeutic practice.
Sources and further literature
References
- Schmidt, U. (Hrsg.). (2017). Heilpflanzen in der Psychiatrie. Elsevier, Urban & Fischer.
- Wölfling, K., & Müller, R. (2019). Pflanzliche Medikamente bei der Behandlung von Depressionen. Deutsche Apotheker Zeitung.
Studies
- Vogt, T., & Möller, H. J. (2013). Die Wirksamkeit von Johanniskraut bei leichten bis mäßigen Depressionen: Eine Metaanalyse. Psychopharmacology.
- Jani, M., et al. (2020). Effects of St. John’s Wort on Depression: A Systematic Review and Meta-Analysis. Neuropharmacology.
Further literature
- Schäfer, R., & Vögtle, W. (2018). Lehrbuch der Phytotherapie. Teubner Verlag.
- Ulrich-Merzenich, G., & Hönscheid, A. (2021). Pflanzenheilkunde: Therapeutische Möglichkeiten und Anwendungen. Springer.
 
            