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Terms of Service

Last Updated: April 25, 2026

1. Acceptance of Terms

Protokel is owned and operated by Clear Persist Ecom, operating under the trade name (handelend onder de naam) Protokel ("Protokel," "we," "us," or "our"), based in the Netherlands.

By downloading, creating an account, or using Protokel (the "App"), you agree to be bound by these Terms of Service ("Terms"). Our Privacy Policy and our Medical Disclaimer are incorporated into these Terms by reference. If you do not agree, you must stop using the App and delete your account.

We may update these Terms at any time. Material changes will be communicated through the App. Continued use of the App after changes are posted constitutes acceptance of the updated Terms. If you do not agree to the updated Terms, you may delete your account before they take effect.


2. Description of Service

Protokel is a personal peptide protocol tracking and organizational tool for informational and record-keeping purposes only. The App allows users to track vial inventory, log doses, set reminders, manage mixing and preparation data, access a peptide reference library, and use an AI-powered educational assistant.

Protokel does not sell, distribute, promote, or facilitate the purchase of any peptides, medications, or supplements.

The App records data that users choose to enter about their own activities. The App does not instruct, guide, recommend, or facilitate any specific activity. Users determine independently what data to enter and what actions to take.


3. Not Medical Advice

Nothing in the App constitutes medical advice, diagnosis, treatment recommendations, dosing instructions, or clinical guidance of any kind.

You acknowledge and agree that:

  • Protokel does not diagnose, treat, cure, or prevent any disease or medical condition.
  • Protokel does not recommend substances, dosages, or protocols.
  • The calculator is a mathematical mixing ratio tool only. It does not provide dosing recommendations and must not be interpreted as medical guidance.
  • The AI assistant provides educational information only. Every AI response includes a medical disclaimer. AI responses do not constitute medical advice and must not be relied upon for medical decisions.
  • The peptide library contains general reference information compiled from publicly available sources. It may be incomplete or outdated.
  • All dose logs, schedules, vial records, and tracking data are user-entered and self-reported. Protokel does not verify, validate, or assess the accuracy of any data entered by users.
  • You will consult a qualified healthcare provider before making any health-related decisions.
  • Use of the App does not create a doctor-patient relationship, pharmacist-patient relationship, or any other professional healthcare relationship.
  • Use of the App is entirely at your own risk.

For the full medical disclaimer, visit protokel.com/disclaimer.


4. Assumption of Risk

You expressly acknowledge and agree that:

  • Your use of the App is voluntary and entirely at your own risk.
  • You assume full responsibility for any decisions made based on information displayed in the App, including but not limited to tracking data, calculator outputs, AI assistant responses, and peptide library content.
  • You assume full responsibility for any substances you choose to use, possess, administer, or combine, regardless of whether those substances are tracked in the App.
  • Protokel has no control over and accepts no responsibility for how you interpret, apply, or act upon any information the App displays.

This assumption of risk applies to the fullest extent permitted by applicable law and does not affect your statutory consumer rights under EU law.


5. Eligibility and User Responsibilities

Protokel is intended for personal, non-commercial use by adults 18 years of age or older. If we learn that a user is under 18, their account will be terminated and their data deleted.

You are solely responsible for:

  • The accuracy of all data you enter into the App.
  • How you interpret or act on any information the App displays.
  • Maintaining the security of your account credentials.
  • Compliance with all applicable laws and regulations in your jurisdiction, including any laws relating to the substances you track.

You agree not to:

  • Use the App for any unlawful purpose.
  • Attempt to reverse engineer, decompile, or extract the source code of the App.
  • Attempt unauthorized access to any system, network, or other user's data.
  • Interfere with or disrupt the App's functionality or infrastructure.
  • Use the App to promote, sell, or distribute any substances.

6. Account and Authentication

You may create an account using Apple Sign-In or Google Sign-In. You are responsible for all activity that occurs under your account. If you suspect unauthorized access, contact us immediately at support@protokel.com.

You may delete your account at any time within the App under Profile. Account deletion is processed within 30 days as described in our Privacy Policy.


7. AI Assistant

The App includes an AI assistant powered by Anthropic's Claude API. By using the AI assistant, you acknowledge and agree that:

  • The AI assistant provides educational information only. It does not provide medical advice, diagnosis, or treatment recommendations.
  • Messages you send to the AI assistant, along with relevant peptide context from your current session, are transmitted to Anthropic's servers located in the United States for processing.
  • Protokel does not store AI conversation history. Conversations exist only during your active session.
  • Anthropic processes data under their own privacy policy and terms. Anthropic does not use API inputs to train their models.
  • AI responses may contain inaccuracies, outdated information, or incomplete information. You must independently verify any information before acting on it.
  • The AI assistant does not have access to your medical history, health status, or personal health information beyond what you voluntarily type in your messages. Peptide context shared with the AI assistant is limited to substance names for the purpose of providing relevant educational information. The AI assistant does not tailor responses to your individual health circumstances and cannot assess the safety or appropriateness of any protocol for you specifically.
  • Every AI response ends with a medical disclaimer. This disclaimer is a material part of the service.
  • You will not rely on AI responses for medical decisions and will consult a qualified healthcare provider.

Use of the AI assistant is optional. You consent to the data transfer described above each time you send a message. You may withdraw consent at any time by choosing not to use the feature.


8. Subscriptions and Billing

Protokel Premium is an auto-renewing subscription. Current pricing, subscription plans, and free trial availability are displayed in the App at the time of purchase and on the applicable app store listing.

Subscriptions are available through the Apple App Store (iOS) and the Google Play Store (Android), or through any other payment processor designated by Protokel for a given platform. By subscribing, you agree that:

  • Payment is charged to your app store account or designated payment method at confirmation of purchase, or upon expiration of any free trial if not canceled beforehand.
  • Subscriptions renew automatically unless canceled at least 24 hours before the end of the current billing period.
  • You can manage or cancel your subscription through your Apple Account Settings (iOS), Google Play Account Settings (Android), or the relevant payment platform's account management interface.
  • Uninstalling the App does not cancel your subscription.
  • Refunds are handled by the applicable app store or payment processor in accordance with their respective refund policies.
  • Pricing may change at any time. You will be notified of any price changes before your next billing cycle. If you do not agree to the new pricing, you may cancel your subscription before it renews.

Protokel does not collect or store payment information. All billing is processed by the applicable app store or payment processor and managed through RevenueCat.


9. User Data Ownership

You own the data you enter into the App, including vial records, dose logs, schedules, notes, and profile information. By using the App, you grant Protokel a limited, non-exclusive license to process, store, and display your data solely for the purpose of providing the App's services to you.

This license terminates when you delete your account. Upon account deletion, all your data is permanently removed within 30 days as described in our Privacy Policy.

You may export a copy of your data at any time using the CSV export feature in the App.


10. Intellectual Property

The App, including its design, code, user interface, features, peptide library content, and branding, is owned by Clear Persist Ecom and protected by applicable intellectual property laws.

You may not:

  • Copy, modify, distribute, sell, or create derivative works from any part of the App.
  • Use the Protokel name, logo, or branding without prior written consent.
  • Reproduce or redistribute peptide library content outside of the App.

11. Third-Party Services

Protokel integrates with the following third-party services, each governed by their own terms and privacy policies:

ServicePurpose
SupabaseAuthentication, database, data storage
Anthropic (Claude API)AI assistant responses
Apple Sign-InAuthentication
Google Sign-InAuthentication
Apple App StoreiOS subscriptions and billing
Google Play StoreAndroid subscriptions and billing
RevenueCatSubscription management
SentryCrash reporting
Google Firebase CrashlyticsCrash reporting

Additional payment processors may be used for specific platforms and will be listed in this section when active.

By using features that rely on these services, you acknowledge that your data may be processed by them in accordance with their respective policies. Protokel is not responsible for the acts, omissions, or privacy practices of any third-party service provider beyond the contractual agreements we maintain with them.


12. Disclaimer of Warranties

The App is provided "as is" and "as available" without warranties of any kind, whether express or implied, including but not limited to implied warranties of merchantability, fitness for a particular purpose, accuracy, or non-infringement.

Protokel does not warrant that:

  • The App will be error-free, uninterrupted, or secure.
  • Any data displayed in the App is accurate, complete, or current.
  • The App will meet your specific requirements or expectations.
  • Notifications or reminders will be delivered on time or at all.

To the extent that applicable law (including EU consumer protection law) does not permit the full exclusion of implied warranties, such warranties are limited to the minimum scope and duration permitted by law. Nothing in these Terms affects your statutory consumer rights under applicable EU or national law.


13. Notifications

The App may send optional reminders for scheduled doses and vial expiry alerts. These notifications depend on device settings, network connectivity, operating system behavior, and other factors outside of Protokel's control. Notifications may be delayed, not delivered, or missed entirely.

Notification reminders reflect schedules that users create and configure themselves. Protokel does not determine, recommend, or evaluate the appropriateness of any schedule. Reminders are a user-configured organizational feature, not medical adherence guidance.

You acknowledge that App notifications are a convenience feature and not a guaranteed service. Do not rely on App notifications as your sole method of managing time-sensitive decisions. Protokel is not liable for any consequences resulting from missed, delayed, or undelivered notifications.


14. Limitation of Liability

To the fullest extent permitted by applicable law, Protokel and Clear Persist Ecom shall not be liable for any indirect, incidental, special, consequential, or punitive damages, including but not limited to damages arising from:

  • Any health outcomes, injuries, or adverse effects.
  • Reliance on any feature, including tracking data, AI assistant responses, calculator outputs, or peptide library content.
  • Loss of data or service interruptions.
  • Missed, delayed, or undelivered notifications or reminders.
  • Any consequences of decisions made based on information displayed in the App.

Our total aggregate liability to you for any claim arising out of or relating to these Terms or your use of the App shall not exceed the total amount you paid to Protokel in the twelve (12) months immediately preceding the event giving rise to the claim.

Exceptions under Dutch and EU law: Nothing in these Terms excludes or limits our liability for (a) death or personal injury caused by our negligence, (b) fraud or fraudulent misrepresentation, or (c) any liability that cannot be excluded or limited under applicable Dutch or EU law, including liability for intentional misconduct (opzet) or gross negligence (grove schuld).


15. Indemnification

To the extent permitted by applicable law, you agree to indemnify, defend, and hold harmless Protokel, Clear Persist Ecom, and their officers, employees, and agents from and against any third-party claims, damages, losses, liabilities, and reasonable costs arising out of or relating to:

  • Your willful violation of these Terms.
  • Your misuse of the App in a manner not consistent with its intended purpose as a personal record-keeping tool.
  • Your violation of any applicable law or regulation.
  • Any third-party claim directly resulting from substances you track, use, possess, or administer.

This indemnification applies only to claims directly resulting from your willful actions and does not extend to claims arising from normal use of the App as intended. This obligation does not apply to the extent that the claim arises from Protokel's own intentional misconduct or gross negligence, and is subject to any limitations imposed by applicable Dutch or EU consumer protection law.


16. Platform-Specific End User License Agreements

16.1 Apple (iOS)

If you download or use the App through the Apple App Store, you acknowledge and agree that:

  • These Terms are between you and Protokel only, not with Apple Inc.
  • Protokel, not Apple, is solely responsible for the App and its content.
  • The App is licensed to you on a limited, non-exclusive, non-transferable basis for use on Apple-branded devices that you own or control, subject to the Usage Rules set forth in Apple's Media Services Terms and Conditions.
  • Apple has no obligation to provide maintenance or support services for the App.
  • In the event of any failure of the App to conform to any applicable warranty, you may notify Apple and Apple will refund the purchase price of the App, if any. To the maximum extent permitted by applicable law, Apple has no other warranty obligation with respect to the App.
  • Protokel, not Apple, is responsible for addressing any claims by you or any third party relating to the App or your possession and use of the App, including but not limited to (a) product liability claims, (b) any claim that the App fails to conform to any applicable legal or regulatory requirement, and (c) claims arising under consumer protection, privacy, or similar legislation.
  • In the event of any third-party claim that the App or your possession and use of the App infringes that third party's intellectual property rights, Protokel, not Apple, is solely responsible for the investigation, defense, settlement, and discharge of any such claim.
  • Apple and its subsidiaries are third-party beneficiaries of these Terms. Upon your acceptance of these Terms, Apple will have the right (and will be deemed to have accepted the right) to enforce these Terms against you as a third-party beneficiary.

16.2 Google (Android)

If you download or use the App through the Google Play Store, you acknowledge and agree that:

  • These Terms are between you and Protokel only, not with Google LLC.
  • Protokel, not Google, is solely responsible for the App and its content.
  • The App is licensed to you on a limited, non-exclusive, non-transferable basis, subject to the Google Play Terms of Service.
  • Google has no obligation to provide maintenance or support services for the App.
  • Protokel, not Google, is responsible for addressing any claims by you or any third party relating to the App, including product liability claims, regulatory compliance claims, and consumer protection claims.

17. Termination

We may suspend or terminate your account if you materially violate these Terms or misuse the App. Where practicable and permitted by law, we will provide reasonable notice before termination of a paid account.

You may stop using the App and delete your account at any time within the App under Profile.

To cancel your subscription before deleting your account, manage your subscription through your Apple Account Settings (iOS), Google Play Account Settings (Android), or the relevant payment platform's account management interface. Uninstalling the App does not cancel your subscription.

Upon termination, your license to use the App ends immediately. Sections 3 (Not Medical Advice), 4 (Assumption of Risk), 9 (User Data Ownership), 10 (Intellectual Property), 12 (Disclaimer of Warranties), 14 (Limitation of Liability), 15 (Indemnification), 16 (Platform EULAs), and 21 (Governing Law) survive termination.


18. Force Majeure

Protokel shall not be liable for any failure or delay in performing its obligations under these Terms where such failure or delay results from circumstances beyond our reasonable control, including but not limited to natural disasters, war, terrorism, pandemic, government action, power failure, internet or telecommunications failure, cyberattacks, or third-party service outages.


19. Business Transfers

If Clear Persist Ecom is involved in a merger, acquisition, reorganization, or sale of assets, your information and these Terms may be transferred to the acquiring entity as part of that transaction. We will notify you of any material changes to how your data is used or how these Terms are affected. Continued use of the App after notification constitutes acceptance. You may delete your account before the transfer takes effect if you do not agree.


20. Changes to Terms

We may modify these Terms at any time. Material changes will be communicated through the App and the updated Terms will be posted at protokel.com/terms with a revised "Last Updated" date. Continued use of the App after changes are posted constitutes acceptance of the updated Terms. For material changes that significantly affect your rights or obligations, we will seek your affirmative consent through the App before the changes take effect. If you do not consent, you may continue using the App under the previous Terms until your current subscription period ends, after which your account will be subject to the updated Terms or may be closed. If you do not agree to any updated Terms, you may delete your account.


21. Governing Law and Jurisdiction

These Terms are governed by and construed in accordance with the laws of the Netherlands.

Any disputes arising from or relating to these Terms or your use of the App shall be subject to the exclusive jurisdiction of the competent courts in Amsterdam, the Netherlands.

If you are a consumer residing in the European Union, you retain the right to bring proceedings in the courts of your country of residence in accordance with applicable EU law, including Regulation (EU) No 1215/2012 (Brussels I Recast). Nothing in these Terms limits your statutory consumer rights under applicable EU or national law.


22. Severability

If any provision of these Terms is found to be unenforceable or invalid by a competent court, that provision will be modified to the minimum extent necessary to make it enforceable, or if modification is not possible, it will be severed. The remaining provisions will continue in full force and effect.


23. Dispute Resolution

Before initiating any legal proceedings, you agree to contact us at support@protokel.com and allow 30 days to attempt to resolve the dispute informally. This requirement does not limit your right to seek interim or injunctive relief from a competent court at any time.


24. Contact

Clear Persist Ecom, operating under the trade name (handelend onder de naam) Protokel

Email: support@protokel.com

Privacy Policy: protokel.com/privacy

Terms of Service: protokel.com/terms

Medical Disclaimer: protokel.com/disclaimer

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