
Increasing Health Problems
Worldwide, more than 1.7 billion people now suffer from musculoskeletal disorders, with muscle and joint problems on the rise. In Germany alone, over 39 million cases of such conditions were recorded in 2022—an increase of 20% compared to ten years ago. A key factor in this trend is the growing lack of physical activity, with around 75% of adults failing to meet the recommended 150 minutes of weekly exercise. Muscle tension, often caused by stress or overuse, has become one of the most common complaints. At the same time, over 20% of the population regularly experiences muscle cramps, often triggered by electrolyte deficiencies or excessive strain.
Internal inflammation is also...

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Keeps you cool & relaxed through the night
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Supports your body in self-healing in cases of restless legs, polyneuropathy, joint pain and sports injuries.
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Perfect for your everyday life: easy application and good skin compatibility combined with quick relief.
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Helps or money back: test the effect in your everyday life for 90 days.

Kalter Bruder® – Relax 500ml 500.0ml | 106,00 € / l
Success speaks for itself: In hundreds of comments, you’ll find stories of how Kalter Bruder® has helped people who had already tried everything else. The unique formula, crafted from various medicinal plants, can transform your daily life too – give it a try!
Learn moreAREAS OF APPLICATION
Our unique combination of long-lasting cooling and deep-acting healing plants can support your body with a range of different complaints.
Muskeläre Beschwerden
Kalter Bruder® for support with tension, bruises and strains.
Nerve soothing
Kalter Bruder® to help with nerve pain and restless legs.
Sports Injuries & Recovery
Kalter Bruder® for cooling and soothing after overexertion.
Swelling & Inflammation
Kalter Bruder® promotes circulation and the drainage of fluids.
Chronic Conditions
Kalter Bruder® provides support for chronic conditions.

RELAXATION THROUGH COOLING
The Application of Cold Therapy for Various Muscle and Joint Complaints
Cold therapy has a long tradition in the treatment of various muscle and joint complaints. To better understand its effectiveness, it is helpful to look at the physiological reactions of the body to cold.
Slowing Down Nerve Conduction Velocity:
Cold slows down the transmission speed of nerve impulses. In the extremities, this can help reduce unpleasant sensations such as tingling, burning, or pain. The nerves become less “reactive,” leading to a certain relief of symptoms.
Reduction of the Inflammatory Response:
In many conditions, an accompanying inflammatory response can intensify symptoms. Cold helps reduce inflammation by dampening the release of pro-inflammatory substances in the...
This is where our Kalter Bruder® Relax gel makes a difference. Specially formulated for a long-lasting cooling effect, its unique recipe harnesses the fresh gel of the aloe vera plant and arnica, both known for their anti-inflammatory and soothing properties. Key ingredients like menthol and camphor enhance the cooling effect, helping to relieve pain and reduce swelling.
Kalter Bruder® offers a practical and efficient way to leverage the benefits of cold therapy. Its cooling effect delivers gentle, consistent deep cooling without harming the skin or restricting mobility.
THE NATURAL POWER OF KALTER BRUDER®
This unique composition is one of a kind: Our secret formula is specially developed for people with nerve, joint and muscle issues. We harness the power of nature to support your body’s self-healing process. No magic, no frippery. Simply natural.
THE NATURAL POWER OF KALTER BRUDER®
COOLS
The deep cooling effect relaxes your muscles and activates your body's natural regeneration process.
BOOSTS CIRCULATION
Increased blood flow allows harmful substances to be removed more effectively, which accelerates the healing process.
SOOTHES
The medicinal plants have anti-inflammatory properties that can relieve pain and calm nerves.
GIVE YOUR BODY THE REST IT DESERVES.
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Let customers speak for us

TRUE BROTHERLY LOVE
We are Carsten and Stefan - twins from Lüneburg. We ourselves suffer from RLS and founded Kalter Bruder® to offer an alternative to conventional medicine. With our gel, we’ve truly struck gold. In our magazine, we share insights from studies, provide nutrition and exercise tips, and uncover what you absolutely need to know.