Notes acc. § 6 of the Teleservices Act (TDG) as amended by the Law on Legal Framework for Electronic Commerce dated 20.12.2001.
The Longevity Practice GmbH
Graefestr. 10967 Berlin
Represented by:
Dr. Emil Kendziorra
E-Mail: hello@thelongevitypractice.com
Telephone: +49 15752192849
District Court Charlottenburg (Berlin)
Commercial Register: HRB 277872 B
Sales tax identification number according to § 27a UStG: DE458057533
Dr. Emil Kendziorra
The Longevity Practice GmbH
Graefestr. 10967 Berlin
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for the use of the services of The Longevity Practice
Prepared on behalf of The Longevity Practice GmbH
Graefestraße 11
10967 Berlin
Prepared by VORBERG.law
Große Elbstraße 42
22767 Hamburg
Version: 1.0.0
Date: 16.12.2025
Thank you for choosing The Longevity Practice. The Longevity Practice is composed of medical practices that enable in-depth consultation, modern diagnostics, and coaching regarding health maintenance and promotion. Here, the medical expertise of the practice teams goes hand in hand with modern testing procedures and personalized recommendations to create healthcare that corresponds to the latest state of science.
1.1 These General Terms and Conditions (GTC) regulate the legal framework for the use of the website and the receipt of services from The Longevity Practice GmbH (hereinafter "Longevity Practice", "we" or "us") by you as a user (hereinafter "Customer", "User" or "you").
1.2 Our offer is directed exclusively at consumers within the meaning of § 13 BGB (German Civil Code). A consumer is any natural person who enters into a legal transaction for purposes that can predominantly be attributed neither to their commercial nor their independent professional activity.
1.3 These GTC apply exclusively. Conflicting, deviating, or supplementary terms and conditions on your part shall not become part of the contract unless we have expressly agreed to their validity in text form.
1.4 The offer is directed at users residing in Germany.
1.5 The currently valid version of these GTC can be viewed publicly on our website at any time and can be saved and printed by you there.
2.1 Longevity Practice mediates medical services with a focus on longevity medicine. The aim of the mediated medical services is individual medical care for the early detection of health risks, the prevention of age- and lifestyle-associated diseases, and the support of regeneration, performance, and quality of life. The medical check-ups are carried out by independent and autonomous physicians who are additionally trained in hormonal balance (perimenopause, menopause, andropause) and longevity medicine.
2.2 Our range of services provided by the affiliated physicians includes, in particular, but not limited to, expanded medical diagnostics, including special laboratory analyses, imaging procedures, and functional examinations for the early identification of risks and functional disorders. Furthermore, medical measures to support cardiovascular health, reduce metabolic risks, and promote a healthy lifestyle are offered, including in the areas of nutrition, sleep, and exercise. Furthermore, the range of services includes therapies to support tissue regeneration, musculoskeletal health, and physical and mental performance recovery. Individually tailored medical treatments for existing chronic diseases or for diagnostically proven deficiency states/trace element deficits are also part of the range of services. We also mediate medical diagnostics and treatment of complaints related to hormonal changes, particularly in the context of age-related testosterone decline (andropause) as well as menopausal changes due to falling estrogen levels. This includes the treatment of symptoms such as fatigue, mood swings, muscle loss, hot flashes, sleep disorders, or changes in bone density. In addition, medical services in the area of sexual health and performance are mediated, including the diagnosis and treatment of libido changes as well as functional or vascular disorders. Supplementing this, the range of services includes examinations and consultations on reproductive health and fertility, particularly for the assessment of hormonal balance, in the case of cycle irregularities, and for medical support of fertility at any age.
2.3 All medical services are expressly provided by our affiliated physicians in cooperation. Separate treatment contracts are concluded with these physicians for these medical services. The medical service is expressly not provided by Longevity Practice itself, but only mediated. The contractual relationship within the framework of these GTC is therefore limited to the organizational framework of these services as well as to the mediation and establishment of the necessary service relationship with the respective physicians.
2.4 In addition to the medical services, Longevity Practice also offers its own services outside of the medical service and organizes various events, including social meetings, educational workshops, wellness activities, and seasonal events. These events serve the purpose of exchange, information, and the promotion of community. They do not constitute medical treatments and replace neither individual medical advice nor a medical examination or therapy.
2.5 All services are provided exclusively on the basis of an individual medical history (anamnesis), diagnostics, and medical indication. The type, scope, and implementation of the services depend on the respective health status of the patient.
2.6 Never ignore medical advice or delay seeking medical help because of information you have obtained via the Longevity Practice website.
2.7 We adapt our services to the respective state of science, technology, and legal provisions. As a result, functions and content may change or be expanded.
3.1 The use of our services requires the booking of an appointment for an initial consultation with an independent cooperation doctor via the platform. When booking, you must provide complete and truthful information.
3.2 Use is only permitted to persons of legal age (18 years and older). By booking, you confirm that you have reached the age of 18.
3.3 The presentation and advertising of services on the platform does not constitute a legally binding offer, but an invitation to order (invitatio ad offerendum). By selecting the desired service, entering the required data (gender, first name, last name, telephone number, email address of the customer), checking the box for consent to these GTC and the privacy policy, and clicking the "Book appointment now" button, the customer submits a binding offer to conclude a user contract. The contract only comes into effect through our declaration of acceptance, which we transmit to you by email ("Confirmation Email"). With this email, the contract for the use of our services becomes effective.
3.4 The text of the contract (these GTC and your order data) will be stored by us, and you will receive a copy via email.
4.1 Agreed appointments are binding.
4.2 If an appointment cannot be kept, it must be canceled at least 48 hours before the agreed time. In the event of late cancellation or non-appearance, the practice reserves the right to charge a cancellation fee in accordance with § 615 BGB or the GOÄ (Physicians' Fee Schedule), provided the appointment cannot be allocated elsewhere.
4.3 The prices stated on the website at the time of the appointment booking apply, including the statutory German value-added tax. The total costs of the treatment will be presented to you transparently in the separate treatment and fee agreement with the respective physician.
4.4 The remuneration for medical services is based on a separate treatment contract and, in that context, usually according to the Fees Schedule for Physicians (GOÄ), unless an individual fee agreement has been made. Non-medical services are charged according to the respective agreed prices.
4.5 Statutory health insurance companies generally do not cover the costs for prevention, longevity, or wellness services; the patient bears these costs themselves unless there is a deviating cost assumption. You will be pointed this out again when concluding the treatment and fee agreement with the respective physician.
4.6 Payment is usually made by bank transfer and is due immediately upon conclusion of the contract. The treating physician themselves is fundamentally responsible for the billing of medical services, and they will be listed separately. Longevity Practice may act as a payment service provider for the physician here, subject to separate consent.
Right of Withdrawal 5.1 You have the right to withdraw from this contract within fourteen days without giving any reason. The withdrawal period is fourteen days from the day the contract was concluded. To exercise your right of withdrawal, you must inform us (The Longevity Practice GmbH, 10967 Berlin, E-Mail: hello@thelongevitypractice.com) of your decision to withdraw from this contract by means of a clear statement (e.g., a letter sent by post or an email). You may use the attached model withdrawal form, but it is not mandatory.
5.2 If you withdraw from this contract, we shall reimburse to you all payments received from you, without undue delay and in any event not later than fourteen days from the day on which we are informed about your decision to withdraw from this contract. We will carry out such reimbursement using the same means of payment as you used for the initial transaction, unless you have expressly agreed otherwise; in any event, you will not incur any fees as a result of such reimbursement. Upon receipt of the withdrawal, we will immediately send you a confirmation of receipt via email.
5.3 The right of withdrawal expires in the case of a contract for the provision of services if we have provided the service in full and only began to perform the service after you gave your express consent and at the same time confirmed your knowledge that you lose your right of withdrawal upon full performance of the contract by us. We obtain this consent and acknowledgment separately during the ordering process.
5.4 Model Withdrawal Form To: The Longevity Practice GmbH, Graefestraße 11, 10967 Berlin, Email: hello@thelongevitypractice.com
I/We () hereby give notice that I/We () withdraw from my/our () contract for the provision of the following service ()
Ordered on ()/received on ()
Name of consumer(s)
Address of consumer(s)
Signature of consumer(s) (only if this form is notified on paper)
Date
(*) Delete as appropriate.
6.1 We grant you a simple (non-exclusive), non-transferable right, limited to the term of the contract, to use the website and the content provided exclusively for your private, non-commercial purposes.
6.2 Any use of the Longevity Practice platform outside of this framework, in particular commercial use, disclosure of access data, copying, distributing, or making content publicly available, requires our prior written consent.
6.3 You undertake to provide all information regarding your state of health truthfully, completely, and up to date. The quality and significance of your personalized analyses and recommendations depend significantly on the accuracy of your information.
6.4 If you book appointments at partner practices or laboratories, you are obliged to keep them or cancel them in good time (at least 24 hours in advance). We reserve the right to pass on cancellation fees in the amount of the costs charged to us by the partner in the event of repeated non-appearance without timely cancellation.
6.5 You undertake not to use the platform improperly. In particular, it is prohibited to provide false or misleading information, use the platform for unlawful purposes, upload or distribute malware, viruses, or other harmful codes, overload the technical infrastructure of the platform through automated access, or violate the rights of third parties (in particular copyright, trademark, data protection rights).
6.6 In the event of violations of these obligations, we may terminate the contract for cause.
6.7 For workshops, lectures, courses, and events, the respective participation conditions apply additionally.
6.8 The practice reserves the right to cancel or postpone events for an important reason (e.g., illness of the speaker, force majeure).
7.1 For the provision of laboratory analysis, we work with external cooperation partners (medical laboratories). We assume the role of a technical and organizational service provider. We coordinate the scheduling of appointments, data transmission, and the provision of laboratory results.
7.2 The laboratory analysis itself is carried out by our partner laboratories on the basis of an order that we place as the laboratory's contractual partner in a business-to-business (B2B) relationship. These laboratory partners act as vicarious agents of The Longevity Practice in accordance with § 278 BGB within the framework of this contract. The customer does not acquire their own claim against the laboratory partners and their cooperation laboratory for the performance of the laboratory analysis.
7.3 You agree and expressly authorize us to transmit the data necessary for the performance of the laboratory analysis (name, date of birth, contact details, scope of the order) to the respective partner laboratory. You expressly authorize the partner laboratory to transmit the results of your examination (laboratory values) to us so that we can provide them to you in encrypted form. Further information on data processing can be found in our privacy policy.
7.4 For telemedicine treatment and follow-up consultations, Longevity Practice offers customers the opportunity to arrange appointments for the consultations on its platform. A separate treatment relationship is established between the customer and the physician. The Longevity Practice does not become a party to such a treatment relationship. You agree and expressly authorize us to transmit the data necessary for the initial consultation and, if applicable, further treatment by the physician (gender, name, contact details) to the respective cooperation physician.
8.1 We owe the proper provision of our services in accordance with these GTC, the service description, and the treatment and fee contract concluded separately between the doctor and the patient. However, we do not owe any specific health success, healing, or alleviation of diseases. The services offered do not constitute a guarantee for a specific treatment success. A promise of healing or success is expressly not given.
8.2 We are liable without limitation for intent and gross negligence, for damages resulting from injury to life, body, or health, within the framework of a guarantee assumed by us, and for damages resulting from the violation of essential contractual obligations (cardinal obligations), whereby liability is limited to the contract-typical, foreseeable damage. In the case of slight negligence, we are only liable for the violation of essential contractual obligations (cardinal obligations). In this case, the amount of liability is limited to the contract-typical, foreseeable damage. Otherwise, our liability is excluded to the extent permitted by law.
8.3 The above limitations of liability also apply to the personal liability of our employees, representatives, and vicarious agents.
8.4 With regard to the services provided by our partners (laboratories, practices), in particular laboratory analysis, we act as an intermediary and coordinator. We are only liable for errors or breaches of duty by external partners (e.g., incorrect laboratory analysis, missed appointments) if we ourselves are at fault for the selection, i.e., if we have not selected or supervised the partner with the necessary care. Insofar as a direct contractual relationship is established between you and a partner (e.g., doctor, laboratory), the respective partner is liable for their services in accordance with the legal and professional regulations applicable to them. We select our partners carefully and only work with qualified, certified laboratories and practices.
8.5 For non-medical services, the practice is only liable within the framework of legal regulations.
9.1 The protection of your personal data is very important to us. Detailed information on the collection, processing, and use of your data can be found in our privacy policy, which you can view on our website at any time.
9.2 The privacy policy is an integral part of your contractual relationship with us.
10.1 We reserve the right to amend these GTC insofar as this is necessary for compelling reasons, in particular in the event of changes in the legal situation, changes in supreme court jurisdiction, expansion or change of the range of services, technical or security-related adjustments, or the closing of regulatory gaps.
10.2 We will inform you of planned changes at least six weeks before the planned effective date by email to the email address provided by you.
10.3 If you do not object to the validity of the new GTC within six weeks of receipt of the notification of change, the amended GTC shall be deemed accepted. We will separately point out your right of objection and the significance of the objection period in the notification of change. In the event of your objection, we have the right to terminate the contract ordinarily.
11.1 The law of the Federal Republic of Germany applies, excluding the UN Convention on Contracts for the International Sale of Goods (CISG).
11.2 If you are a consumer and have your habitual residence in another country (in particular in another country of the European Union), the mandatory consumer protection provisions of that country remain unaffected by this choice of law.
11.3 The European Commission provides a platform for online dispute resolution (OS), which you can find at https://ec.europa.eu/consumers/odr/. We are neither willing nor obliged to participate in dispute resolution proceedings before a consumer arbitration board.
11.4 The contract language is German.
11.5 Unless expressly determined otherwise, text form (e.g., email) is sufficient for declarations and notifications within the framework of this contractual relationship.
Disclaimer: This document is an English translation of the original German "Allgemeine Geschäftsbedingungen" (AGB). In the event of any discrepancies, contradictions, or disputes regarding the interpretation of the clauses, the original German version shall prevail and be legally binding.
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