Legal Notice

Christian M. Irmler — sole proprietor (autónomo, Spain), trading under the name ZELLGIPFEL.

Calle del Bisbe Jaume 10, 07015 Palma, Baleares, Spain

Represented by: Christian M. Irmler (sole proprietor).

Phone: +34 641 20 88 33

Email: hello@zellgipfel.com

Privacy enquiries: privacy@zellgipfel.com

Fast electronic contact and direct communication are possible via the email address and phone number above.

Tax and VAT identification number (NIF/NIE) pursuant to Art. 214 of the EU VAT Directive and § 27a of the German VAT Act (UStG): ESY3735632D.

The business is not entered in any commercial, association, partnership or cooperative register, as it is operated as a sole trader (autónomo) under Spanish law and is not subject to any registration requirement.

There is no membership of a professional chamber and no statutory professional title within the meaning of § 5(1) no. 5 DDG. ZELLGIPFEL does not provide any medical services or medical treatment.

The provider is established in Spain. In addition to the disclosures under § 5 DDG, the information duties under Art. 10 of Ley 34/2002 de Servicios de la Sociedad de la Información y de Comercio Electrónico (LSSI-CE) apply; the details required there regarding identity, address, electronic contact and tax number are set out in full above.

The supervisory data protection authority at the provider's place of establishment is the Agencia Española de Protección de Datos (AEPD), C/ Jorge Juan 6, 28001 Madrid, www.aepd.es.

Responsible for journalistic-editorial content pursuant to § 18(2) MStV: Christian M. Irmler, Calle del Bisbe Jaume 10, 07015 Palma, Baleares, Spain.

The European Commission's Online Dispute Resolution (ODR) platform was discontinued on 20 July 2025 and is no longer available. A reference to that platform is therefore no longer possible.

We are neither willing nor obliged to participate in dispute resolution proceedings before a consumer arbitration board within the meaning of § 36 VSBG (Germany). We are happy to resolve matters directly — please write to us at hello@zellgipfel.com.

As a service provider, we are responsible for our own content on these pages in accordance with general law pursuant to § 7(1) DDG. However, pursuant to §§ 8 to 10 DDG, we are not obliged as a service provider to monitor transmitted or stored third-party information or to investigate circumstances that indicate unlawful activity.

Obligations to remove or block the use of information under general law remain unaffected. However, liability in this respect is only possible from the point in time at which we become aware of a specific infringement. Upon becoming aware of any such infringements, we will remove the relevant content immediately.

All content is created with care. Nevertheless, we cannot guarantee the accuracy, completeness or timeliness of the content.

Our offering contains links to external third-party websites over whose content we have no influence. We therefore cannot accept any liability for this third-party content. The respective provider or operator of the linked pages is always responsible for their content.

The linked pages were checked for possible legal violations at the time of linking; no unlawful content was identifiable at that time. Permanent monitoring of the content of linked pages is not reasonable without concrete evidence of an infringement. Upon becoming aware of any infringements, we will remove such links immediately.

The content and works created by the site operator on these pages are subject to German and Spanish copyright law as well as the relevant EU directives. Reproduction, editing, distribution and any kind of exploitation beyond the limits of copyright law require our written consent.

Downloads and copies of this site are permitted only for private, non-commercial use. Insofar as the content on this site was not created by the operator, third-party copyrights are respected and third-party content is identified as such.

Image credits: original photography as well as bespoke, royalty-free imagery and illustrations. Should you nonetheless notice a copyright infringement, please let us know; upon becoming aware of it, we will remove the content concerned immediately.

The content on this website provides general information about intermittent hypoxic-hyperoxic training (IHHT). It does not constitute medical advice, does not replace a medical examination, diagnosis or treatment, and deliberately makes no therapeutic promises within the meaning of the German Therapeutic Products Advertising Act (HWG).

If you have pre-existing conditions, complaints or uncertainties, you should seek medical advice before use. Individual experiences may vary.