GOD'S WORD® Translation
But if a person has doubts and still eats, he is condemned because he didn't act in faith. Anything that is not done in faith is sin.

American Standard Version
But he that doubteth is condemned if he eat, because he eateth not of faith; and whatsoever is not of faith is sin.

Berean Study Bible
But the one who has doubts is condemned if he eats, because his eating is not from faith; and everything that is not from faith is sin.

Douay-Rheims Bible
But he that discerneth, if he eat, is condemned; because not of faith. For all that is not of faith is sin.

English Revised Version
But he that doubteth is condemned if he eat, because he eateth not of faith; and whatsoever is not of faith is sin.

King James Bible
And he that doubteth is damned if he eat, because he eateth not of faith: for whatsoever is not of faith is sin.

World English Bible
But he who doubts is condemned if he eats, because it isn't of faith; and whatever is not of faith is sin.

Young's Literal Translation
and he who is making a difference, if he may eat, hath been condemned, because it is not of faith; and all that is not of faith is sin.

Romans 14:23 Additional Translations ...