Yahweh God commanded the man, saying, "Of every tree of the garden you may freely eat;
The woman said to the serpent, "Of the fruit of the trees of the garden we may eat,
I will accept nothing from you except that which the young men have eaten, and the portion of the men who went with me: Aner, Eshcol, and Mamre. Let them take their portion."
In the fifth year you shall eat its fruit, that it may yield its increase to you. I am Yahweh your God.
That which enters into the mouth doesn't defile the man; but that which proceeds out of the mouth, this defiles the man."
There is nothing from outside of the man, that going into him can defile him; but the things which proceed out of the man are those that defile the man.
because it doesn't go into his heart, but into his stomach, then into the latrine, thus purifying all foods?"
1 Corinthians 10:25
Whatever is sold in the butcher shop, eat, asking no question for the sake of conscience,
Let no one therefore judge you in eating, or in drinking, or with respect to a feast day or a new moon or a Sabbath day,
1 Timothy 4:3
forbidding marriage and commanding to abstain from foods which God created to be received with thanksgiving by those who believe and know the truth.