NET

3 They will prohibit marriage and require abstinence from foods that God created to be received with thanksgiving by those who believe and know the truth.

Darby

3 forbidding to marry, [bidding] to abstain from meats, which God has created for receiving with thanksgiving for them who are faithful and know^D8869 the truth.

Darby Bible Notes

know - Or 'acknowledge.' from the same root as 'knowledge' in ch. 2.4.

KJV

3 Forbidding to marry, [and commanding] to abstain from meats, which God hath created to be received with thanksgiving of them which believe and know the truth.

Strong's

3 Forbidding ^G2967 to marry^G1060, and commanding] commanding to abstain from^G567 meats^G1033, which^G3739 God^G2316 hath created^G2936 to^G1519 be received^G3336 with^G3326 thanksgiving^G2169 of them which believe^G4103 and^G2532 know^G1921 the truth^G225.