Privacy Policy — Supplement Science

Who We Are

Supplement Science ("we," "us," or "our") operates the website supplementscience.ai. This privacy policy explains how we collect, use, and protect information when you visit our website.

Information We Collect

Automatically Collected Information

When you visit our website, we may automatically collect certain information, including:

IP address (anonymized)
Browser type and version
Pages visited and time spent on pages
Referring website URL
Device type and screen resolution
Core Web Vitals performance metrics (page load speed, interactivity, visual stability)

Information You Provide

We collect information you voluntarily provide, including:

Newsletter signup: Your email address and health goal preferences when you subscribe to our newsletter
Supplement stacks: Supplement selections and conversation summaries when you save a supplement stack via our AI assistant
Contact inquiries: Your email address and message content when you contact us

Session Recording (With Your Consent)

If you accept analytics cookies, we use Microsoft Clarity to record how you interact with our website. This includes mouse movements, clicks, scrolls, and page navigation. Clarity does not capture passwords, payment details, or other sensitive form inputs (these are automatically masked). Session recordings help us identify usability issues and improve the site experience. You can opt out at any time by declining analytics cookies or visiting our Cookie Policy page.

How We Use Your Information

To analyze website traffic and improve our content
To understand which supplements and topics are most useful to visitors
To send newsletter emails if you have subscribed
To respond to inquiries you send us
To detect and prevent technical issues or abuse
To identify usability issues through session recordings (with consent)

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

Cookies and Tracking

We use cookies and similar technologies on our website. For a detailed breakdown of each cookie, its purpose, and duration, please see our Cookie Policy.

Essential cookies and local storage: Required for basic site functionality, including remembering your cookie consent preference and newsletter signup status. These do not require consent.
Analytics cookies (consent required): Used by Microsoft Clarity for session recordings and heatmaps. These are only loaded after you accept analytics cookies via our consent banner.
Affiliate cookies:When you click an affiliate link, the retailer (e.g., Amazon) may place a cookie on your browser. Amazon's affiliate cookie typically lasts 24 hours. These are governed by the retailer's privacy policy.

We do not use third-party advertising cookies or retargeting pixels.

Local Storage

We use your browser's local storage to remember your preferences. This data never leaves your device and is not transmitted to our servers. We store:

Cookie consent preference — whether you accepted or declined analytics cookies
Newsletter status — whether you have subscribed, to avoid showing the signup prompt again
Popup dismissal timestamp — when you last dismissed the newsletter prompt (suppressed for 7 days)

Affiliate Links

Our website contains affiliate links to products on Amazon.com and other retailers. When you click an affiliate link, the retailer may place a cookie on your browser to track the referral. Amazon's affiliate cookie typically expires after 24 hours. This is standard practice for affiliate programs and is governed by the retailer's own privacy policy. We do not have access to any personal information collected by these retailers.

As an Amazon Associate, we earn from qualifying purchases. Amazon's privacy policy governs any data collected through their affiliate links.

Third-Party Services

We use the following third-party services:

Vercel — Website hosting, analytics (page views, performance metrics), and speed insights. Vercel Analytics is privacy-focused and does not use cookies or collect personally identifiable information.
Microsoft Clarity— Session recordings, heatmaps, and scroll maps (loaded only with your consent). Clarity automatically masks sensitive input fields. Data is processed in accordance with Microsoft's privacy practices.
Resend — Email delivery service for sending newsletter emails. Receives your email address when you subscribe.
Google Sheets — Used to store newsletter subscriber information (email, health goals, signup date) and saved supplement stacks.
Amazon Associates — Affiliate product links. Amazon may place tracking cookies when you click affiliate links.

Each of these services has their own privacy policy governing their data practices. We encourage you to review them.

Data Retention

Analytics data (Vercel): Retained for up to 90 days
Session recordings (Clarity): Retained for up to 30 days
Newsletter subscriber data: Retained until you unsubscribe or request deletion
Saved supplement stacks: Retained until you request deletion
Local storage data: Stored on your device until you clear your browser data

Children's Privacy

Our website is not directed at children under 13. We do not knowingly collect personal information from children under 13. If you believe we have inadvertently collected such information, please contact us and we will promptly delete it.

Your Rights

Depending on your jurisdiction (including under GDPR, CCPA, and similar laws), you may have the right to:

Request access to your personal data
Request deletion of your personal data
Opt out of analytics tracking (via our cookie consent banner or browser settings)
Request correction of inaccurate data
Request a copy of your data in a portable format
Withdraw consent at any time (this does not affect the lawfulness of prior processing)

To exercise these rights, email us at hello@supplementscience.ai. We will respond within 30 days.

Changes to This Policy

We may update this privacy policy from time to time. The "Last updated" date at the top of this page indicates when the policy was last revised. Continued use of the website after changes constitutes acceptance of the updated policy.

Contact Us

If you have questions about this privacy policy or wish to exercise your data rights, contact us at: hello@supplementscience.ai