Deuteronomy 15:23

“However, flesh with its life, that is, its blood, you shall not eat.

“Only you shall not eat the blood; you are to pour it out on the ground like water.

Then they told Saul, saying, “Behold, the people are sinning against Yahweh by eating with the blood.” And he said, “You have acted treacherously; roll a great stone to me today.”

“Therefore say to them, ‘Thus says Lord Yahweh, “You eat meat with the blood in it and lift up your eyes to your idols as you shed blood. Should you then possess the land?

but that we write to them that they abstain from things contaminated by idols and from sexual immorality and from what is strangled and from blood.