The Messenger of Allah (peace and blessings be upon him) said: "Eat olive oil and apply it (to your body), for it is from a blessed tree." This hadith is narrated from Sayyiduna Umar, Sayyiduna Abu Usaid, Sayyiduna Abu Hurairah, and Sayyiduna Abdullah ibn Abbas (may Allah be pleased with them).

It is narrated from Sayyiduna Abu Sa'id Khudri (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) forbade eating garlic, onions, and leek.

Ubaidullah bin Abu Yazid narrates from his father, who says: I went to Sayyida Umm Ayyub (may Allah be pleased with her), with whom the Messenger of Allah (peace and blessings be upon him) stayed, and she told me that we people specially prepared a meal with some vegetables for the Messenger of Allah (peace and blessings be upon him), but when it was presented to him, he disliked it and said to his companions: "You eat (this garlic), I am not like you. I fear that I might cause discomfort to my companion (the angel)."

Sayyiduna Abdullah bin Mas’ud (may Allah be pleased with him) says: When this verse was revealed: «لَيْسَ عَلَى الَّذِينَ آمَنُوا وَعَمِلُوا الصَّالِحَاتِ جُنَاحٌ فِيمَا طَعِمُوا إِذَا مَا اتَّقَوْا وَآمَنُوا وَعَمِلُوا الصَّالِحَاتِ ثُمَّ اتَّقَوْا وَآمَنُوا ثُمَّ اتَّقَوْا وَأَحْسَنُوا وَاللَّـهُ يُحِبُّ الْمُحْسِنِينَ» (5-Al-Ma’idah:93)“There is no sin upon those who believe and do righteous deeds for what they have eaten, provided they fear Allah and believe and do righteous deeds, then fear Allah and believe, then fear Allah and do good; and Allah loves the doers of good.”The Prophet (peace and blessings of Allah be upon him) said to me:“It has been said to me that you are among them.”

Sayyiduna Miqdam bin Ma’dikarib al-Kindi (may Allah be pleased with him) says: I heard the Messenger of Allah (peace and blessings of Allah be upon him) say: "The worst vessel that a person can fill is his stomach. It is sufficient for a person to eat a few morsels that keep his back straight. But if he must (eat more), then let him fill one third (of his stomach) with food, one third with drink, and one third with air (for breathing)."

Sayyiduna Jundub bin Abdullah (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings of Allah be upon him) said: "If anyone has the resolve that he does not let even a handful of the blood of a Muslim man, which he sheds as if slaughtering a chicken (i.e., considering it worthless), come between himself and Paradise, then let him do so, because whenever he comes to any gate of Paradise, he will find (that blood) as a barrier between himself and Paradise. Similarly, whoever can put only lawful things into his stomach (should also do so), because it is the human stomach that, (after death, compared to the rest of the body) decays the fastest."

It is narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) said: "The invitation of two disputing (callers) should not be accepted, nor should their food be eaten."

It is narrated from Sayyiduna Abu Sa'id Khudri (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) forbade bending the mouth of a waterskin from the top and drinking water from the inside.

It is narrated from Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) forbade us from turning the mouth of a vessel upwards and drinking water from the inside.

It is narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) forbade drinking water directly from the mouth of a water-skin. Ayyub says: I have come to know that a man drank water from the mouth of a water-skin, and a snake came out from inside it.