Numbers 6:2-3

VIN^{(i) 2} "Speak to the Israelites and say to them, 'When a man or a woman takes a special vow, a vow of a Nazirite, to keep separate for the LORD, ³ he will abstain from wine and fermented drink; he will not drink wine vinegar or vinegar of fermented drink; he will not drink the fruit juice of grapes or eat fresh or dry grapes.