Privacy Policy

1. Introduction

VitalSync ("we," "our," or "us") is operated as a Korean business entity serving a global audience. This Privacy Policy explains how we collect, use, and protect your personal information when you use our website and services.

2. Information We Collect

We may collect the following types of information:

• Email address — Only when you voluntarily submit it through our newsletter signup forms. We do not collect email addresses automatically.
• Quiz responses — Your answers to our Gut Health Score and Sleep Quality quizzes. These responses are processed entirely in your browser and are NOT sent to or stored on our servers.
• Usage data — Standard analytics data such as pages visited, time on page, and referring URLs. This data is anonymized and does not personally identify you.

3. How We Use Your Information

• To send you our newsletter and gut health guides (email, only with your consent)
• To improve our website content and user experience
• To understand which content is most helpful to our readers

We do NOT sell, rent, or share your personal information with third parties for marketing purposes.

4. Cookies and Tracking

Our website may use essential cookies for basic functionality. We may also use analytics tools (such as Google Analytics) to understand how visitors use our site. You can control cookies through your browser settings.

5. Affiliate Links

Some pages on our website contain affiliate links to products we recommend. When you click these links and make a purchase, we may earn a commission at no additional cost to you. These affiliate partnerships do not influence our product recommendations, which are based solely on research and merit.

Third-party data transfer:When you click an affiliate link, click and referral data (such as your browser type, referring URL, and partner tracking identifiers) may be transmitted to partner programs — including but not limited to Amazon Associates, iHerb, and direct-to-consumer brand partners — for the purpose of attributing the referral and calculating commissions. We do not transmit your email address or quiz answers to these partners. You can review each partner's privacy practices on their respective websites.

See our Disclaimer for more information.

6. Your Rights

Depending on your location, you may have the following rights:

• Access — Request a copy of the personal data we hold about you
• Deletion — Request deletion of your personal data
• Unsubscribe — Opt out of our newsletter at any time using the unsubscribe link in each email
• Correction — Request correction of inaccurate data

For GDPR (EU), CCPA (California), or Korean Personal Information Protection Act (PIPA) requests, contact us at the email below.

7. Data Security

We implement reasonable security measures to protect your information. Our website is served over HTTPS. Quiz data is processed client-side and never transmitted to our servers.

8. Children's Privacy

Our services are not directed to individuals under the age of 16. We do not knowingly collect personal information from children.

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.

10. Contact Us

If you have questions about this Privacy Policy or wish to exercise your data rights, please contact us at: privacy@vitalsync.fit