Privacy Policy
Last updated: July 2026
1. Who we are
StackSmart is operated by an individual based in Germany. For contact details see the Imprint section.
2. What data we collect
When you use StackSmart we collect:
- Health and lifestyle information you enter into the questionnaire (goals, sleep, stress, diet, training frequency)
- Your email address when you choose to purchase a report
- Payment information — processed securely by Stripe, we never see your card details
3. How we use your data
We use your information solely to:
- Generate your personalized supplement report
- Deliver your PDF report by email
- Process your payment via Stripe
We do not sell, share, or use your data for advertising purposes.
4. Data storage
Your questionnaire answers and email are stored temporarily in our database (Supabase, hosted in the EU) to generate your report. We do not retain personal data longer than necessary.
5. Third-party services
- Stripe — payment processing. Their privacy policy: stripe.com/privacy
- Resend — email delivery. Their privacy policy: resend.com/legal/privacy-policy
- Anthropic — AI report generation. Their privacy policy: anthropic.com/privacy
- Supabase — database storage. Their privacy policy: supabase.com/privacy
6. Your rights (GDPR)
Under GDPR you have the right to access, correct, or delete your personal data at any time. Contact us at the address in the Imprint and we will respond within 30 days.
7. Cookies
StackSmart does not use tracking cookies or advertising pixels. We use no analytics tools that collect personal data.
8. Medical disclaimer
The information provided by StackSmart is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before starting any supplement protocol.
Terms & Conditions
Last updated: July 2026
1. The service
StackSmart provides AI-generated personalized supplement reports delivered as PDF files. The service is provided as-is for informational and educational purposes only.
2. Purchase and delivery
Upon successful payment of €19, you will receive your personalized PDF report by email within 60 seconds. If you do not receive it within 5 minutes, check your spam folder or contact us.
3. Refund policy
Due to the digital and personalized nature of our product, we do not offer refunds once the PDF report has been generated and delivered. If there is a technical issue preventing delivery, we will regenerate and resend your report free of charge.
4. Medical disclaimer
StackSmart reports are for educational purposes only. They do not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before making changes to your supplement routine, especially if you have existing health conditions or take medications.
5. Affiliate disclosure
Some product recommendations in our reports may include affiliate links. If you purchase through these links we may earn a small commission at no extra cost to you. This does not influence our recommendations.
6. Intellectual property
Your report is for your personal use only. You may not resell, redistribute, or reproduce it without permission.
7. Limitation of liability
StackSmart is not liable for any health outcomes resulting from following supplement recommendations. Use of our service is at your own risk.
8. Governing law
These terms are governed by German law. Any disputes shall be resolved in the courts of Germany.
Imprint (Impressum)
Required by German law (§5 TMG)
[Mert Kandemir]
[Welserstraße 3]
[87463] [Dietmannsried]
Germany
Email: [stacksmart@icloud.com]
Note: StackSmart is operated by a private individual under the German Kleinunternehmerregelung (§19 UStG). No VAT ID required below the €22,000 annual revenue threshold.
Dispute resolution
The European Commission provides a platform for online dispute resolution (ODR): ec.europa.eu/consumers/odr
We are not obliged to participate in dispute resolution proceedings before a consumer arbitration board.