Grapefruitالجريب فروت
Grapefruit · al-grib frout
Grapefruit (الجريب فروت, Grapefruit) is forbidden in Nidam al-Tayyibat. Category: fruits.
- Status
- Forbidden
- Zone
- Red zone — never
- Category
- Fruits
- Condition
- None
- Reliability
- High — sources agree
What Nidam al-Tayyibat says
Grapefruit is forbidden along with all citrus fruits; the sources do not grant it the “juice” exception that orange and mango enjoy.
What conventional nutrition says
Grapefruit is rich in vitamin C; it interacts with many medications through CYP3A4 inhibition.
This is not medical advice
This database documents the classification of foods as taught by Nidam al-Tayyibat. It does not reflect official nutritional guidelines and does not replace the advice of a doctor or a dietitian. Never change or stop a treatment based on this website.
Other fruits
The whole category- Forbidden
Avocado
الأفوكادو · Avocado
Avocado is among the fruits the system excludes, alongside kiwi, papaya and orange.
- Forbidden
Fresh lemon
الليمون الطازج · Fresh lemon
Fresh lemon is excluded like all citrus fruits; only its salt-preserved version is tolerated, in small amounts.
- Forbidden
Kiwi
الكيوي · Kiwi
Kiwi is excluded by the system, which classes it with orange, papaya and avocado.
- Forbidden
Lime
اللايم · Lime
Like other fresh citrus fruits, lime is ruled out by the method in favor of preserved lemon.
- Forbidden
Mandarin / clementine
اليوسفي · Mandarin / clementine
Mandarin is forbidden as a citrus fruit; unlike orange, the system mentions no juice exception for it.
- Forbidden
Melon (cantaloupe, honeydew)
الشمام · Melon (cantaloupe, honeydew)
Melon is excluded by the system in the same way as watermelon; several reference lists name it explicitly among the ruled-out fruits.
The complete palette, explained in the Tayyibat guide
17 free pages (in French): an introduction to the palette, the two-hour rule and the eleven daily rules.
Classification sources: khaledbelal.com, altayebaat.com · updated 10/12/2026