Terms of sale for digital products

The product is a digital book (e-book) in PDF format, downloadable, comprising the editorial content described on the product page. The product is delivered without DRM (no copy protection technology) for personal use. The price is shown in euros, all taxes included if applicable.

The order is placed by clicking the order button on the product page. Payment is made online through the secure Polar.sh payment system, which acts as merchant of record. Accepted means of payment: credit and debit cards (Visa, Mastercard, American Express). The contract is concluded once the buyer receives confirmation of payment.

Following payment confirmation, the buyer immediately receives an email containing a secure download link valid for 24 hours and renewable on simple request. The PDF can be downloaded any number of times within this period and stored without DRM by the buyer.

By purchasing the e-book, the buyer obtains a personal, non-transferable, non-resellable license to consult the work for their own use. The PDF can be read on the buyer's personal devices, printed for their own use, and stored in their personal cloud. Prohibited: reselling the file, sharing it with third parties, posting it online, distributing it on file-sharing networks, including its content on a third-party platform without prior written authorization. Excerpts under 200 words are permitted with mention of the source "Sehtin (sehtin.com)".

The e-book is an educational publication. It cites the Quran (Warsh script), authentic hadiths from the four most rigorous Sunni collections (Bukhari, Muslim, Abi Dawud, Tirmidhi) and over 30 peer-reviewed scientific studies. It is not validated by Dr. Diaa Al-Awadi nor by any medical authority. The Tayyibat dietary system has not been validated by a published randomized clinical trial. The book does not constitute medical advice. Pregnant or breastfeeding women, persons under medical treatment, persons with chronic conditions, must consult their doctor before any change of diet. No refund is granted on the basis of dissatisfaction with editorial content (a sample is available before purchase to evaluate the work).

The vendor's liability is limited to the price paid by the buyer for the digital product. The vendor cannot be held responsible for indirect or consequential damages resulting from the use of editorial content of the work. The reader applies the principles described under their own responsibility.

The personal data collected during the order (email, name, billing address) are processed by Polar.sh for billing and EU VAT obligations, and by us for delivery and customer service. Data are not transferred to third parties for marketing purposes. The full privacy policy is available on the dedicated page.

These terms are governed by French law. In the event of a dispute, the buyer and the vendor commit to seeking an amicable solution before any legal action. If no agreement is found, French courts have exclusive jurisdiction, except for European consumer protection provisions which remain applicable.