فَاِنَّهُمْ لَاٰكِلُوْنَ مِنْهَا فَمَالِـُٔوْنَ مِنْهَا الْبُطُوْنَۗ ( الصافات: ٦٦ )
Fa innahum la aakiloona minhaa famaali'oona minhal butoon (aṣ-Ṣāffāt 37:66)
And indeed, they will eat from it and fill with it their bellies. (As-Saffat  : 66)
1 Mufti Taqi Usmani
So, they have to eat from it and have to fill their bellies with it.