USER TESTIMONIALS
Testimonial from Frédérique Laurent
Extreme marathon runner, featured in the documentary film ADAPTOGÈNES
In a continuous pursuit of well-being and balance, I had the opportunity to test the Sérénius device over several weeks. The goal: to observe its effects on emotional, nervous, and even physiological levels, both subjectively and using a biospect resonance device called Biospect. The results are surprising and worth sharing.
A noticeable sense of calm in everyday life
From the very first days of using the Sérénius, I experienced a general feeling of relaxation, as a subtle yet profound release of internal tensions. It is not a sudden or artificial change, but rather a gradual rebalancing that naturally settles over time. The perception of improved well-being is genuine, with enhancements in mood, stress management, and sleep.
An interesting aspect is that the need to wear the Sérénius is not constant. Some periods require wearing it for several consecutive days, especially during times of emotional overload, fatigue, or significant stress. At other times, after a few days of use, the body seems to have absorbed the effect sufficiently, and I could go a few days without feeling any lack or imbalance. This confirms the body's natural adaptability to the action of the Sérénius.
Analysis with Biospect: Objective Nervous System Regulation
To better understand what I was experiencing, I conducted tests using the Biospect, a biospect resonance device that observes the vibrational state of various body systems. The results are striking.
- Without the Sérénius, the autonomic nervous system was clearly out of balance, with a marked dominance of the sympathetic nervous system. This type of profile is typical of a state of tension, chronic stress, or hypervigilance — the body is in a heightened alert mode.
- With the Sérénius, the measurements indicate a clear regulation: the two branches of the autonomic nervous system (sympathetic and parasympathetic) regained a more harmonious balance. This objectively confirms what was felt subjectively.
Notable effect on allergies: a reduction in reactions
Another interesting aspect tested with the Biospect is allergic reactivity. During pollen seasons or when in contact with certain food allergens, I usually notice a rapid bodily response (sneezing, fatigue, congestion).
With the use of the Sérénius:
- The reactivity visibly decreases; symptoms are less intense and less frequent.
- The biospect resonance analysis also shows a reduction in the vibrational load associated with allergens, indicating that the body reacts in a calmer, less excessive manner.
Conclusion: a subtle but powerful action
The test of the Sérénius over several weeks, both on a subjective level (perceived well-being, calmness, emotional regulation) and an objective level (measurements via Biospect), highlights it as an interesting harmonising tool, especially in a daily life often marked by stress, nerve tension, and emotional imbalances.
It is not a magic gadget, but a discreet ally that works over time by supporting the body's natural self-regulation. By listening to oneself, it becomes possible to know when to wear it and when it can be set aside for a few days. A valuable discovery in the field of vibrational well-being.
Testimonial from Christophe Lebrun
Extreme marathon runner, featured in the documentary film ADAPTOGÈNES
I discovered the Serenius SR45 at the beginning of 2025, promoted as a natural electronic device dedicated to well-being with a clear objective: restoring homeostasis.
I have been wearing the SR45 for four months now, mainly during the day and in various conditions — both professionally and personally — as well as during my different sporting activities: mountain hiking, trekking, cross-country skiing, running, and cycling.
Here is what I have felt and observed over recent weeks: a general sense of calm, a renewed feeling of balance across all levels — physical, emotional, and mental. Gaining perspective, clarity, lucidity, patience, as well as a wonderful energy, heightened attention, confidence, and an interest in knowledge. Ultimately, a feeling of well-being and perfect equilibrium.
I have also regained a quality of sleep I hadn’t experienced for a long time.
Sportingly, I was able to start my training season very early this year, with the genuine feeling that I could consecutively undertake physically demanding sessions — such as those required for triathlon preparation: swimming (no SR45 around my neck at that time!), cycling, and running.
I am 62 years old and now feel capable of competing in triathlons again as early as next month!
From my perspective, the Serenius contributes to relatively quick recovery, with a significant bonus: I have not experienced any injuries or setbacks for several months, despite intensive physical training sessions.
I also appreciate that it is a natural wooden device, and most of all, that it contains no electronics, batteries, plastic, electricity, Wi-Fi, or Bluetooth to operate — all without any special maintenance.
Sometimes now I can go a few days without wearing the Serenius daily, when I feel balanced and fulfilled. I simply put it around my neck again whenever I sense the need.
The SR45 is a companion you can truly rely on in your journey towards balance and serenity.
Thanks to Hervé Derycker, the designer, for creating this absolutely unique rebalancing device!
Other Testimonials
Since I wear this pendant, I feel much calmer and more serene. My thoughts are clearer, and I am more effective in all areas of my life. ~Guido. UK
I have several serious health conditions. I cannot work and I stay in hospital several times a month. I do not believe in alternative or energy medicine at all. A friend gave it to me. I don’t feel anything special, but for some reason, I can’t bear to be without it. Those around me have noticed that my behaviour has improved. I feel serene, I have less pain, my health assessments are better, and I am more active. ~Luke. UK
I suffer from fibromyalgia; I didn’t really believe in it, but now I have less pain, less fatigue, and I feel more energetic. If the pain is too intense in a specific area, I place the SereniuS there and later realise that the pain is lessened or has disappeared. It’s fantastic. ~Angus. United Kingdom
Since I started using the Serenius in my meditations, I feel a deep inner peace. My mind no longer wanders, and I feel fully grounded. ~Isabel. UK
Wow! I really don’t have any pain anymore! I go to the toilet much more regularly. I sleep much more deeply. I am less tired and more serene in everything I do. ~Sylvia. UK
I highly recommend this technology to all women going through menopause. It is a true relief and a valuable aid in regaining quality of life. ~Mary. UK
With Hirschsprung's disease, my intestinal issues are really debilitating. I sleep with the SR45 on my stomach, and for now, I have no symptoms. Additionally, I now go to the toilet every day. ~Henri. UK
Usually, I don’t feel anything when I wear different medallions, energy protection, or the like. With the SereniuS, it was quite a shock; it took me a week to adjust! The results are fabulous; my digestive issues have significantly decreased or even disappeared, as has my general stress. Now I only wear it for a few hours a day; as soon as I feel general stress resurfacing, I put it back on, and within just 20 minutes, the stress has disappeared again. ~Grégoire. France