The Peptide Signal · thepeptidesignal.com
Last Updated: April 2026
The Peptide Signal ("we," "us," "our") operates the website thepeptidesignal.com. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our Site or use our services.
Account information: When you create an account, we collect your email address, name, and authentication credentials through our provider Clerk.
Payment information: When you subscribe, payment details are processed directly by Stripe. We do not store credit card numbers. We receive your Stripe customer ID, subscription status, and transaction history.
Usage data: We collect information about how you interact with the Site, including pages visited, features used, and calculator inputs. This data is used to improve the service.
Communications: If you contact us via email or the contact form, we retain the content of those communications.
The Peptide Signal LLC also offers Signal: Peptide Calculator, an iOS application available on the Apple App Store.
Data Storage: The Signal app stores all user data (saved protocols, dose logs, scheduling preferences, and profile information) locally on your device using on-device storage. This data is not transmitted to our servers or any third party.
Push Notifications: The app uses local push notifications to deliver dose reminders. These notifications are scheduled and delivered entirely on your device. No notification data is sent to external servers.
Subscription Data: If you purchase a Signal Pro subscription, the transaction is processed entirely by Apple through the App Store. We do not receive or store your payment information. Apple's privacy policy governs the handling of your payment data.
Analytics: The Signal app does not collect analytics, usage data, or personal information. No data is shared with third parties.
Account Linking: The Signal app does not currently require or support account creation. Your app data is independent of any website subscription.
For questions about the app's data practices, contact us at info@thepeptidesignal.com.
We use collected information to provide and maintain the service, process subscriptions and payments, send transactional emails (welcome email, payment confirmation, password resets), send our newsletter and blog post notifications (you may unsubscribe at any time), improve the Site and develop new features, and respond to your inquiries.
We use the following third-party services that may collect or process your data:
Clerk (authentication): Manages account creation and login. Subject to Clerk's privacy policy.
Stripe (payments): Processes subscription payments. Subject to Stripe's privacy policy.
Resend (email): Delivers transactional and marketing emails. Subject to Resend's privacy policy.
Vercel (hosting): Hosts the website. Subject to Vercel's privacy policy.
Sanity (content management): Stores and delivers content. Subject to Sanity's privacy policy.
By creating an account, you consent to receive transactional emails related to your account and subscription. You may also receive our newsletter and blog post notifications. You can unsubscribe from marketing emails at any time by clicking the unsubscribe link in any email or by contacting us.
We retain your account information for as long as your account is active. If you close your account, we will delete your personal data within 30 days, except as required by law or for legitimate business purposes (such as fraud prevention or financial record-keeping).
We implement reasonable technical and organizational measures to protect your personal data. However, no method of electronic transmission or storage is 100% secure. We cannot guarantee absolute security of your data.
Depending on your jurisdiction, you may have the right to access, correct, or delete your personal data, object to or restrict processing, request data portability, and withdraw consent at any time. To exercise these rights, contact us at info@thepeptidesignal.com.
The Site is not intended for individuals under 18 years of age. We do not knowingly collect personal information from children under 18. If we become aware that we have collected data from a child under 18, we will delete it promptly.
We use essential cookies for authentication and session management. We do not use advertising cookies or sell your data to third parties. Our hosting provider (Vercel) may collect anonymized analytics data.
We may update this Privacy Policy from time to time. We will notify you of material changes by posting the updated policy on this page with a revised "Last Updated" date. For significant changes, we will make reasonable efforts to notify you via email.
For questions about this Privacy Policy or to exercise your data rights, contact us at info@thepeptidesignal.com.