Leviticus 17:10, 14

“ ‘I will set my face against any Israelite or any foreigner residing among them who eats blood, and I will cut them off from the people.

because the life of every creature is its blood. That is why I have said to the Israelites, “You must not eat the blood of any creature, because the life of every creature is its blood; anyone who eats it must be cut off.”