Wherefrom neither Yusadda`un nor Yunzifun.
meaning, they will never get headaches from this wine nor intoxicated. Rather, this wine does not affect their minds, even though it has a strong and tremendously delightful taste.
Ad-Dahhak reported from Ibn Abbas:
"The wine (of this life) has four side-effects,
- it intoxicates,
- gives headaches,
- induces vomiting and
- causes excessive urine.
So Allah mentioned the wine of Paradise free of these characteristics."
Mujahid, Ikrimah, Sa`id bin Jubayr, Atiyah Al-Awfi, Qatadah and As-Suddi said that Allah's statement,
لاَا يُصَدَّعُونَ عَنْهَا
(Wherefrom neither Yusadda`un) means,
"It does not give them a headache."
While they said that
وَلاَ يُنزِفُونَ
(nor will they Yunzifun) means that
"It does not change their sense of reasoning."
Allah's statement,
وَفَاكِهَةٍ مِّمَّا يَتَخَيَّرُونَ