Privacy Policy
Last updated: May 2026
Information We Collect
We collect minimal personal information:
- Email address — only if you voluntarily subscribe to receive the Vitamin Handbook PDF
- Quiz answers — processed entirely in your browser. We do not store or transmit quiz data to our servers
- Analytics data — anonymous usage data via Google Analytics and Yandex.Metrika
How We Use Your Information
Email addresses are used solely to deliver the Vitamin Handbook PDF and future newsletter communications (if any). You can unsubscribe at any time. We never sell, rent, or share your email address with third parties.
Cookies & Tracking
We use cookies for: language preference, analytics (GA4, Yandex.Metrika), and affiliate link tracking. You can disable cookies in your browser settings.
Third-Party Services
We use Resend for email delivery, Cloudflare for DNS/CDN, and Railway for hosting. Each has its own privacy policy.
Contact
For privacy-related questions, contact us at support@nailhairvitamins.com.
The Complete Vitamin Handbook
Everything about hair & nail supplements in one peer-reviewed guide.
Rachel Kim, RDN- Dosing protocols for 15+ supplements
- Food sources for every nutrient
- Drug interaction warnings
- Complete 90-day action plan
- Myth vs fact breakdowns
- Pregnancy-safe supplement list
No spam · Unsubscribe anytime · Reviewed by Dr. Robert Langford, MD