Last updated: February 12, 2026

Privacy Policy

Peptide Playbook ("we," "us," or "our") operates peptideplaybook.health. This Privacy Policy explains how we collect, use, and protect your information when you visit our site.

1. What Data We Collect

We collect the following types of information:

  • Email address — when you voluntarily sign up for our newsletter
  • Analytics data — via Google Analytics (measurement ID: G-6NX5QHQCVT), including pages visited, time on site, browser type, device type, approximate location, and referral source
  • Local storage data — we use your browser's localStorage to save your favorites and site preferences (e.g., language). This data never leaves your device.

2. How We Use Data

  • Newsletter: Your email is sent to Mailchimp for newsletter delivery. We will never sell, rent, or share your email with third parties.
  • Analytics: We use Google Analytics data to understand how visitors use our site and to improve content and user experience.
  • We do not sell your data. Period.

3. Cookies & Local Storage

  • Google Analytics cookies: Used to distinguish users and throttle request rates. These are standard analytics cookies (_ga, _gid, etc.).
  • localStorage: Used to store your favorites and preferences locally in your browser. This data is never transmitted to our servers.

You can disable cookies in your browser settings or use browser extensions to block analytics tracking.

4. Third-Party Services

We use the following third-party services:

  • Google Analytics — website analytics and usage tracking
  • Mailchimp — email newsletter management and delivery
  • Vercel — website hosting and deployment

Each of these services has their own privacy policies governing their use of your data.

5. Email Communications

If you subscribe to our newsletter, you will receive periodic emails about peptide research, site updates, and related content. You can unsubscribe at any time by clicking the unsubscribe link in any email or by contacting us directly.

6. Data Retention

Newsletter subscriber data is retained as long as you remain subscribed. Analytics data is retained according to Google Analytics' default retention settings (14 months). localStorage data persists until you clear your browser data.

7. Children's Privacy

This website is not directed at individuals under the age of 18. We do not knowingly collect personal information from children. If you are a parent or guardian and believe your child has provided us with personal information, please contact us and we will promptly delete it.

8. Your Rights (CCPA / GDPR)

Depending on your jurisdiction, you may have the right to:

  • Access — request a copy of the personal data we hold about you
  • Delete — request deletion of your personal data
  • Opt out — opt out of data collection and marketing communications
  • Portability — request your data in a portable format
  • Correction — request correction of inaccurate data

To exercise any of these rights, contact us at: legal@peptideplaybook.health

9. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last updated" date. We encourage you to review this policy periodically.

10. Contact Information

If you have questions about this Privacy Policy, please contact us at: legal@peptideplaybook.health